Five carnival workers are kidnapped and held hostage in an abandoned, Hell-like compound where they are forced to participate in a violent game, the goal of which is to survive twelve hours against a gang of sadistic clowns.
A university research scientist, about to lose funding and status, has a lab accident and discovers he can see people's true intentions -- making his situation even worse.
Spencer turns to his best friend who's planned an unorthodox "mantervention" filled with debauchery to convert him from hopeless romantic to forever player, and in the process they discover that being in love is not so bad after all.
When a bachelor party and a bachelorette party cross paths in Vegas, only the best man and maid of honor can save their friends from a night of epic "mistakes."
