When a zombie virus breaks out, one ragtag group of elevator passengers must band together for a fighting chance of survival against an infected rider and the clever horde that awaits them outside.

Policewoman Julia Forward awakens on a cylindrical structure in a world that seems deadlocked in the Stone Age. Somebody has taken her hostage and left her in this unreal and hostile environment. Far away from everything she has ever known she has to fight for her survival whilst learning the bitter secret of planet earth: The omnipresent Alekto Corporation uses humans with extraordinary talents as gene pools for their dark researches.