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.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.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.