赌侠King与化骨龙击败了马交文后，加上表哥阿叻，三人合力骗来一笔巨款后准备风流快活。不料大眼文派人追杀，抓走化骨龙。而King、叻二人被邀前往赌城拉斯韦加斯，捉拿在中国境内骗走四十亿人民币的Peter。King为求巨款还给大眼文救回化…

Six friends become prey for a sadistic psychopath when they decide to ditch their high schools after prom party for their own celebration at a secluded house.