Whenanuptighttime-travellingobsessedyoungscientistisvisitedbyhisnihilisticfutureself,he'stoldthatheneedstogiveuphisdreamofbecomingtheworld'sfirsttimetraveler,orelse.Butwhenhewon'tgoalongwiththeplan,itbecomesawickedbattleofmanversushimself-literallybbb