A mafia boss (Boss Ton) turns to his least competant worker (Joe Mafia) after killing every other one. Eventually Boss attempts to kill Joe but is persuaded not to on the promise of a large cash reward.
A group of 4 kids enter an arcade and discover a previously unseen arcade game called Polybius. What the kids don't know is that a Demon has possessed the arcade cabinet and is now hellbent on killing anyone who plays the game.