On Halloween, they are thrown into a sadistic game called “31”, where they must survive for 12 hours against a bunch of lunatics dressed as clowns. But clowns are not the only ones who need to worry about a great system, satanic rituals and weft much more sadistic awake. It’s time to play the 31st. After a bit of “fun hanging out in the car, they stop for gas. They have some scary encounters at the gas station and get back on the road. At night they are locked scarecrow while investigations are attacked, while some are killed kidnapped from the rest. They wake up chained in a deluxe room, where three people say aristocratically clothes that have chosen to participate in their annual round 31. They must try to survive 12 hours in an underground labyrinth as the plant compound called World murder. Barker 5 each armed with a gun tried to kill to survive while being chased by clown’s killer known as the champion. Five carnival workers kidnapped and held hostage in an abandoned compound hell where they are forced to participate in a violent game, whose goal is to survive for twelve hours against a sadistic bunch of clowns.