A college fraternity prank goes wrong and a student ends up in the mental asylum. Three years later, it's graduation time, and the members of the fraternity decide to have a costume party aboard a train trip to celebrate their graduation. Unknowingly to them, a killer has slipped aboard, killing them off one by one, disguised in the costumes of the victims.—Humberto Amador
Three years after a prank went terribly awry, the six college students responsible are targeted by a masked killer at a New Year's Eve party aboard a moving train.