A bank robbery goes wrong in a once quiet Wisconsin small town. The locals must stand up to take down an evil gunman who will kill anyone that gets in his way.

今天是艾莉克斯21岁的生日，但她必须要在游乐场中值晚班，所以她的朋友们决定给她一个惊喜，但一个装扮成米老鼠的蒙面杀手却决定与他们玩一场自己的游戏，而她则必须生存下去。