A newlywed sheriff tries to stop a shambling monster that has emerged from a spaceship to eat the citizens of an American town.。君越集团总裁萧庭生，惨遭妻子与好友背叛，意外失踪。其妻子以及好友正意图谋夺萧庭生的财产时，他的双胞胎哥哥萧庭渊强势回国，发誓要为弟弟讨回公道……。