Whenanuptighttime-travellingobsessedyoungscientistisvisitedbyhisnihilisticfutureself,hestoldthatheneedstogiveuphisdreamofbecomingtheworldsfirsttimetraveler,orelse.Butwhenhewontgoalongwiththeplan,itbecomesawickedbattleofmanversushimself-literally.