无界之环

　　Apairofenemysoldiersstationedonaremoteborderinavastfeaturelessdesertdescendintoastateofprofounddisorientationafterforgettingwhichsideoftheborderiswhich.Astheygrapplewiththeiridentities,loyalties,andtheabsurdityoftheirsituation,theirisolationslowlygiveswaytoanunfathomablenightmarethatwillblurthelinebetweenfriendandfoe....