A mysterious outsider's quiet life is turned upside down when he returns to his childhood home to carry out an act of vengeance. Proving himself an amateur assassin, he winds up in a brutal fight to protect his estranged family.

A random invitation to a Halloween party leads a man into the hands of a rogue collective intent on murdering him for the sake of their art, sparking a bloodbath of mishap, mayhem and hilarity.