diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0729ec254..dd1acff2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,16 +1,20 @@
 0.45.0
 ------
+
     Bug #2835: Player able to slowly move when overencumbered
     Bug #3374: Touch spells not hitting kwama foragers
     Bug #3591: Angled hit distance too low
     Bug #3897: Have Goodbye give all choices the effects of Goodbye
+    Bug #3997: Almalexia doesn't pace
     Bug #4036: Weird behaviour of AI packages if package target has non-unique ID
     Bug #4221: Characters get stuck in V-shaped terrain
+    Bug #4251: Stationary NPCs do not return to their position after combat
     Bug #4293: Faction members are not aware of faction ownerships in barter
     Bug #4327: Missing animations during spell/weapon stance switching
     Bug #4419: MRK NiStringExtraData is handled incorrectly
     Bug #4426: RotateWorld behavior is incorrect
     Bug #4429: [Windows] Error on build INSTALL.vcxproj project (debug) with cmake 3.7.2
+    Bug #4432: Guards behaviour is incorrect if they do not have AI packages
     Bug #4433: Guard behaviour is incorrect with Alarm = 0
     Feature #4444: Per-group KF-animation files support
 
diff --git a/apps/openmw/mwmechanics/aipackage.hpp b/apps/openmw/mwmechanics/aipackage.hpp
index b4987e954..7e8f905ad 100644
--- a/apps/openmw/mwmechanics/aipackage.hpp
+++ b/apps/openmw/mwmechanics/aipackage.hpp
@@ -48,7 +48,8 @@ namespace MWMechanics
                 TypeIdPursue = 6,
                 TypeIdAvoidDoor = 7,
                 TypeIdFace = 8,
-                TypeIdBreathe = 9
+                TypeIdBreathe = 9,
+                TypeIdInternalTravel = 10
             };
 
             ///Default constructor
@@ -79,6 +80,9 @@ namespace MWMechanics
             /// Get the target actor the AI is targeted at (not applicable to all AI packages, default return empty Ptr)
             virtual MWWorld::Ptr getTarget() const;
 
+            /// Get the destination point of the AI package (not applicable to all AI packages, default return (0, 0, 0))
+            virtual osg::Vec3f getDestination(const MWWorld::Ptr& actor) const { return osg::Vec3f(0, 0, 0); };
+
             /// Return true if having this AiPackage makes the actor side with the target in fights (default false)
             virtual bool sideWithTarget() const;
 
diff --git a/apps/openmw/mwmechanics/aisequence.cpp b/apps/openmw/mwmechanics/aisequence.cpp
index 2a2d598f5..85afbc453 100644
--- a/apps/openmw/mwmechanics/aisequence.cpp
+++ b/apps/openmw/mwmechanics/aisequence.cpp
@@ -184,7 +184,8 @@ bool isActualAiPackage(int packageTypeId)
                    && packageTypeId != AiPackage::TypeIdPursue
                    && packageTypeId != AiPackage::TypeIdAvoidDoor
                    && packageTypeId != AiPackage::TypeIdFace
-                   && packageTypeId != AiPackage::TypeIdBreathe);
+                   && packageTypeId != AiPackage::TypeIdBreathe
+                   && packageTypeId != AiPackage::TypeIdInternalTravel);
 }
 
 void AiSequence::execute (const MWWorld::Ptr& actor, CharacterController& characterController, AiState& state, float duration)
@@ -298,7 +299,7 @@ void AiSequence::clear()
     mPackages.clear();
 }
 
-void AiSequence::stack (const AiPackage& package, const MWWorld::Ptr& actor)
+void AiSequence::stack (const AiPackage& package, const MWWorld::Ptr& actor, bool cancelOther)
 {
     if (actor == getPlayer())
         throw std::runtime_error("Can't add AI packages to player");
@@ -307,8 +308,33 @@ void AiSequence::stack (const AiPackage& package, const MWWorld::Ptr& actor)
     if (isActualAiPackage(package.getTypeId()))
         stopCombat();
 
+    // We should return a wandering actor back after combat or pursuit.
+    // The same thing for actors without AI packages.
+    // Also there is no point to stack return packages.
+    int currentTypeId = getTypeId();
+    int newTypeId = package.getTypeId();
+    if (currentTypeId <= MWMechanics::AiPackage::TypeIdWander
+        && !hasPackage(MWMechanics::AiPackage::TypeIdInternalTravel)
+        && (newTypeId <= MWMechanics::AiPackage::TypeIdCombat
+        || newTypeId == MWMechanics::AiPackage::TypeIdPursue))
+    {
+        osg::Vec3f dest;
+        if (currentTypeId == MWMechanics::AiPackage::TypeIdWander)
+        {
+            AiPackage* activePackage = getActivePackage();
+            dest = activePackage->getDestination(actor);
+        }
+        else
+        {
+            dest = actor.getRefData().getPosition().asVec3();
+        }
+
+        MWMechanics::AiTravel travelPackage(dest.x(), dest.y(), dest.z(), true);
+        stack(travelPackage, actor, false);
+    }
+
     // remove previous packages if required
-    if (package.shouldCancelPreviousAi())
+    if (cancelOther && package.shouldCancelPreviousAi())
     {
         for(std::list<AiPackage *>::iterator it = mPackages.begin(); it != mPackages.end();)
         {
@@ -392,6 +418,8 @@ void AiSequence::writeState(ESM::AiSequence::AiSequence &sequence) const
     {
         (*iter)->writeState(sequence);
     }
+
+    sequence.mLastAiPackage = mLastAiPackage;
 }
 
 void AiSequence::readState(const ESM::AiSequence::AiSequence &sequence)
@@ -403,7 +431,7 @@ void AiSequence::readState(const ESM::AiSequence::AiSequence &sequence)
     int count = 0;
     for (std::vector<ESM::AiSequence::AiPackageContainer>::const_iterator it = sequence.mPackages.begin();
          it != sequence.mPackages.end(); ++it)
-    {    
+    {
         if (isActualAiPackage(it->mType))
             count++;
     }
@@ -462,6 +490,8 @@ void AiSequence::readState(const ESM::AiSequence::AiSequence &sequence)
 
         mPackages.push_back(package.release());
     }
+
+    mLastAiPackage = sequence.mLastAiPackage;
 }
 
 void AiSequence::fastForward(const MWWorld::Ptr& actor, AiState& state)
diff --git a/apps/openmw/mwmechanics/aisequence.hpp b/apps/openmw/mwmechanics/aisequence.hpp
index 41d204ee2..d725409de 100644
--- a/apps/openmw/mwmechanics/aisequence.hpp
+++ b/apps/openmw/mwmechanics/aisequence.hpp
@@ -115,7 +115,7 @@ namespace MWMechanics
             ///< Add \a package to the front of the sequence
             /** Suspends current package
                 @param actor The actor that owns this AiSequence **/
-            void stack (const AiPackage& package, const MWWorld::Ptr& actor);
+            void stack (const AiPackage& package, const MWWorld::Ptr& actor, bool cancelOther=true);
 
             /// Return the current active package.
             /** If there is no active package, it will throw an exception **/
diff --git a/apps/openmw/mwmechanics/aitravel.cpp b/apps/openmw/mwmechanics/aitravel.cpp
index 36b96101f..72e6ced19 100644
--- a/apps/openmw/mwmechanics/aitravel.cpp
+++ b/apps/openmw/mwmechanics/aitravel.cpp
@@ -28,15 +28,14 @@ bool isWithinMaxRange(const osg::Vec3f& pos1, const osg::Vec3f& pos2)
 
 namespace MWMechanics
 {
-    AiTravel::AiTravel(float x, float y, float z)
-    : mX(x),mY(y),mZ(z)
+    AiTravel::AiTravel(float x, float y, float z, bool hidden)
+    : mX(x),mY(y),mZ(z),mHidden(hidden)
     {
     }
 
     AiTravel::AiTravel(const ESM::AiSequence::AiTravel *travel)
-        : mX(travel->mData.mX), mY(travel->mData.mY), mZ(travel->mData.mZ)
+        : mX(travel->mData.mX), mY(travel->mData.mY), mZ(travel->mData.mZ), mHidden(travel->mHidden)
     {
-
     }
 
     AiTravel *MWMechanics::AiTravel::clone() const
@@ -64,7 +63,7 @@ namespace MWMechanics
 
     int AiTravel::getTypeId() const
     {
-        return TypeIdTravel;
+        return mHidden ? TypeIdInternalTravel : TypeIdTravel;
     }
 
     void AiTravel::fastForward(const MWWorld::Ptr& actor, AiState& state)
@@ -83,6 +82,7 @@ namespace MWMechanics
         travel->mData.mX = mX;
         travel->mData.mY = mY;
         travel->mData.mZ = mZ;
+        travel->mHidden = mHidden;
 
         ESM::AiSequence::AiPackageContainer package;
         package.mType = ESM::AiSequence::Ai_Travel;
diff --git a/apps/openmw/mwmechanics/aitravel.hpp b/apps/openmw/mwmechanics/aitravel.hpp
index 8c75bded1..c297771d0 100644
--- a/apps/openmw/mwmechanics/aitravel.hpp
+++ b/apps/openmw/mwmechanics/aitravel.hpp
@@ -20,7 +20,7 @@ namespace MWMechanics
     {
         public:
             /// Default constructor
-            AiTravel(float x, float y, float z);
+            AiTravel(float x, float y, float z, bool hidden = false);
             AiTravel(const ESM::AiSequence::AiTravel* travel);
 
             /// Simulates the passing of time
@@ -38,6 +38,8 @@ namespace MWMechanics
             float mX;
             float mY;
             float mZ;
+
+            bool mHidden;
     };
 }
 
diff --git a/apps/openmw/mwmechanics/aiwander.cpp b/apps/openmw/mwmechanics/aiwander.cpp
index 8199170dc..ee680159e 100644
--- a/apps/openmw/mwmechanics/aiwander.cpp
+++ b/apps/openmw/mwmechanics/aiwander.cpp
@@ -59,7 +59,7 @@ namespace MWMechanics
         float mTargetAngleRadians;
         bool mTurnActorGivingGreetingToFacePlayer;
         float mReaction; // update some actions infrequently
-        
+
         AiWander::GreetingState mSaidGreeting;
         int mGreetingTimer;
 
@@ -70,7 +70,7 @@ namespace MWMechanics
 
         bool mIsWanderingManually;
         bool mCanWanderAlongPathGrid;
-        
+
         unsigned short mIdleAnimation;
         std::vector<unsigned short> mBadIdles; // Idle animations that when called cause errors
 
@@ -86,7 +86,7 @@ namespace MWMechanics
 
         float mDoorCheckDuration;
         int mStuckCount;
-        
+
         AiWanderStorage():
             mTargetAngleRadians(0),
             mTurnActorGivingGreetingToFacePlayer(false),
@@ -111,7 +111,7 @@ namespace MWMechanics
             mIsWanderingManually = isManualWander;
         }
     };
-    
+
     AiWander::AiWander(int distance, int duration, int timeOfDay, const std::vector<unsigned char>& idle, bool repeat):
         mDistance(distance), mDuration(duration), mRemainingDuration(duration), mTimeOfDay(timeOfDay), mIdle(idle),
         mRepeat(repeat), mStoredInitialActorPosition(false), mInitialActorPosition(osg::Vec3f(0, 0, 0)), mHasDestination(false), mDestination(osg::Vec3f(0, 0, 0))
@@ -223,7 +223,7 @@ namespace MWMechanics
             if (mPathFinder.isPathConstructed())
                 storage.setState(Wander_Walking);
         }
-        
+
         doPerFrameActionsForState(actor, duration, storage, pos);
 
         playIdleDialogueRandomly(actor);
@@ -298,13 +298,6 @@ namespace MWMechanics
         if(mDistance && cellChange)
             mDistance = 0;
 
-        // For stationary NPCs, move back to the starting location if another AiPackage moved us elsewhere
-        if (mDistance == 0 && !cellChange
-            && (pos.asVec3() - mInitialActorPosition).length2() > (DESTINATION_TOLERANCE * DESTINATION_TOLERANCE))
-        {
-            returnToStartLocation(actor, storage, pos);
-        }
-
         // Allow interrupting a walking actor to trigger a greeting
         WanderState& wanderState = storage.mState;
         if ((wanderState == Wander_IdleNow) || (wanderState == Wander_Walking))
@@ -321,7 +314,7 @@ namespace MWMechanics
                 {
                     setPathToAnAllowedNode(actor, storage, pos);
                 }
-            } 
+            }
         } else if (storage.mIsWanderingManually && mPathFinder.checkPathCompleted(pos.pos[0], pos.pos[1], DESTINATION_TOLERANCE)) {
             completeManualWalking(actor, storage);
         }
@@ -330,10 +323,19 @@ namespace MWMechanics
     }
 
     bool AiWander::getRepeat() const
-    { 
-         return mRepeat; 
+    {
+        return mRepeat;
     }
 
+    osg::Vec3f AiWander::getDestination(const MWWorld::Ptr& actor) const
+    {
+        if (mHasDestination)
+            return mDestination;
+
+        const ESM::Pathgrid::Point currentPosition = actor.getRefData().getPosition().pos;
+        const osg::Vec3f currentPositionVec3f = osg::Vec3f(currentPosition.mX, currentPosition.mY, currentPosition.mZ);
+        return currentPositionVec3f;
+    }
 
     bool AiWander::isPackageCompleted(const MWWorld::Ptr& actor, AiWanderStorage& storage)
     {
@@ -342,35 +344,14 @@ namespace MWMechanics
             // End package if duration is complete
             if (mRemainingDuration <= 0)
             {
-                    stopWalking(actor, storage);
-                    return true;
+                stopWalking(actor, storage);
+                return true;
             }
         }
         // if get here, not yet completed
         return false;
     }
 
-    void AiWander::returnToStartLocation(const MWWorld::Ptr& actor, AiWanderStorage& storage, ESM::Position& pos)
-    {
-        if (!mPathFinder.isPathConstructed())
-        {
-            mDestination = mInitialActorPosition;
-            ESM::Pathgrid::Point dest(PathFinder::MakePathgridPoint(mDestination));
-
-            // actor position is already in world coordinates
-            ESM::Pathgrid::Point start(PathFinder::MakePathgridPoint(pos));
-
-            // don't take shortcuts for wandering
-            mPathFinder.buildSyncedPath(start, dest, actor.getCell(), getPathGridGraph(actor.getCell()));
-
-            if (mPathFinder.isPathConstructed())
-            {
-                storage.setState(Wander_Walking);
-                mHasDestination = true;
-            }
-        }
-    }
-
     /*
      * Commands actor to walk to a random location near original spawn location.
      */
@@ -497,7 +478,7 @@ namespace MWMechanics
         }
     }
 
-    void AiWander::onWalkingStatePerFrameActions(const MWWorld::Ptr& actor, 
+    void AiWander::onWalkingStatePerFrameActions(const MWWorld::Ptr& actor,
         float duration, AiWanderStorage& storage, ESM::Position& pos)
     {
         // Is there no destination or are we there yet?
@@ -873,7 +854,7 @@ namespace MWMechanics
 
         state.moveIn(new AiWanderStorage());
 
-        MWBase::Environment::get().getWorld()->moveObject(actor, static_cast<float>(dest.mX), 
+        MWBase::Environment::get().getWorld()->moveObject(actor, static_cast<float>(dest.mX),
             static_cast<float>(dest.mY), static_cast<float>(dest.mZ));
         actor.getClass().adjustPosition(actor, false);
     }
@@ -914,7 +895,7 @@ namespace MWMechanics
             // get NPC's position in local (i.e. cell) coordinates
             osg::Vec3f npcPos(mInitialActorPosition);
             CoordinateConverter(cell).toLocal(npcPos);
-            
+
             // Find closest pathgrid point
             int closestPointIndex = PathFinder::GetClosestPoint(pathgrid, npcPos);
 
@@ -945,7 +926,7 @@ namespace MWMechanics
         storage.mPopulateAvailableNodes = false;
     }
 
-    // When only one path grid point in wander distance, 
+    // When only one path grid point in wander distance,
     // additional points for NPC to wander to are:
     // 1. NPC's initial location
     // 2. Partway along the path between the point and its connected points.
@@ -969,7 +950,7 @@ namespace MWMechanics
         delta.normalize();
 
         int distance = std::max(mDistance / 2, MINIMUM_WANDER_DISTANCE);
-        
+
         // must not travel longer than distance between waypoints or NPC goes past waypoint
         distance = std::min(distance, static_cast<int>(length));
         delta *= distance;
@@ -1041,4 +1022,3 @@ namespace MWMechanics
         init();
     }
 }
-
diff --git a/apps/openmw/mwmechanics/aiwander.hpp b/apps/openmw/mwmechanics/aiwander.hpp
index 6266a7708..d96d93165 100644
--- a/apps/openmw/mwmechanics/aiwander.hpp
+++ b/apps/openmw/mwmechanics/aiwander.hpp
@@ -47,9 +47,11 @@ namespace MWMechanics
             virtual void writeState(ESM::AiSequence::AiSequence &sequence) const;
 
             virtual void fastForward(const MWWorld::Ptr& actor, AiState& state);
-            
+
             bool getRepeat() const;
-            
+
+            osg::Vec3f getDestination(const MWWorld::Ptr& actor) const;
+
             enum GreetingState {
                 Greet_None,
                 Greet_InProgress,
@@ -85,7 +87,6 @@ namespace MWMechanics
             bool reactionTimeActions(const MWWorld::Ptr& actor, AiWanderStorage& storage,
             const MWWorld::CellStore*& currentCell, bool cellChange, ESM::Position& pos, float duration);
             bool isPackageCompleted(const MWWorld::Ptr& actor, AiWanderStorage& storage);
-            void returnToStartLocation(const MWWorld::Ptr& actor, AiWanderStorage& storage, ESM::Position& pos);
             void wanderNearStart(const MWWorld::Ptr &actor, AiWanderStorage &storage, int wanderDistance);
             bool destinationIsAtWater(const MWWorld::Ptr &actor, const osg::Vec3f& destination);
             bool destinationThroughGround(const osg::Vec3f& startPoint, const osg::Vec3f& destination);
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
index 94317bbf2..89e1bef06 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
@@ -22,6 +22,7 @@
 
 #include "aicombat.hpp"
 #include "aipursue.hpp"
+#include "aitravel.hpp"
 #include "spellcasting.hpp"
 #include "autocalcspell.hpp"
 #include "npcstats.hpp"
@@ -1598,9 +1599,12 @@ namespace MWMechanics
 
     void MechanicsManager::startCombat(const MWWorld::Ptr &ptr, const MWWorld::Ptr &target)
     {
-        if (ptr.getClass().getCreatureStats(ptr).getAiSequence().isInCombat(target))
+        MWMechanics::AiSequence& aiSequence = ptr.getClass().getCreatureStats(ptr).getAiSequence();
+
+        if (aiSequence.isInCombat(target))
             return;
-        ptr.getClass().getCreatureStats(ptr).getAiSequence().stack(MWMechanics::AiCombat(target), ptr);
+
+        aiSequence.stack(MWMechanics::AiCombat(target), ptr);
         if (target == getPlayer())
         {
             // if guard starts combat with player, guards pursuing player should do the same
diff --git a/components/esm/aisequence.cpp b/components/esm/aisequence.cpp
index 90992bed3..335863c32 100644
--- a/components/esm/aisequence.cpp
+++ b/components/esm/aisequence.cpp
@@ -35,11 +35,13 @@ namespace AiSequence
     void AiTravel::load(ESMReader &esm)
     {
         esm.getHNT (mData, "DATA");
+        esm.getHNOT (mHidden, "HIDD");
     }
 
     void AiTravel::save(ESMWriter &esm) const
     {
         esm.writeHNT ("DATA", mData);
+        esm.writeHNT ("HIDD", mHidden);
     }
 
     void AiEscort::load(ESMReader &esm)
@@ -158,6 +160,8 @@ namespace AiSequence
                 break;
             }
         }
+
+        esm.writeHNT ("LAST", mLastAiPackage);
     }
 
     void AiSequence::load(ESMReader &esm)
@@ -225,6 +229,8 @@ namespace AiSequence
                 return;
             }
         }
+
+        esm.getHNOT (mLastAiPackage, "LAST");
     }
 }
 }
diff --git a/components/esm/aisequence.hpp b/components/esm/aisequence.hpp
index 3c4cf2406..d8c20185f 100644
--- a/components/esm/aisequence.hpp
+++ b/components/esm/aisequence.hpp
@@ -80,6 +80,7 @@ namespace ESM
     struct AiTravel : AiPackage
     {
         AiTravelData mData;
+        bool mHidden;
 
         void load(ESMReader &esm);
         void save(ESMWriter &esm) const;
@@ -149,10 +150,14 @@ namespace ESM
 
     struct AiSequence
     {
-        AiSequence() {}
+        AiSequence()
+        {
+            mLastAiPackage = -1;
+        }
         ~AiSequence();
 
         std::vector<AiPackageContainer> mPackages;
+        int mLastAiPackage;
 
         void load (ESMReader &esm);
         void save (ESMWriter &esm) const;