A mild-mannered father is transformed into a killing machine after his family is torn apart by a violent act.
In an isolated family mansion, a group of rich 20-somethings decides to play Bodies Bodies Bodies, a game where one of them is secretly a "killer" while the rest tries to "escape". Things take a turn for the worse when real bodies start turning up, setting off a paranoid and dangerous chain of events.
Following the loss of their son, a retired sheriff and his wife leave their Montana ranch to rescue their young grandson from the clutches of a dangerous family living off the grid in the Dakotas.
