小姨子的姐妹情谊

　　Duke and Yan, two long time rivals, are competing in the world’s most dangerous underground fighting tournament, where powerful crimelords can gamble and influence who they fight, the terrain they fight on and what weapons will be used. In this high-stakes bloodsport where one wrong move can mean certain death, they must decide whether to play by the rules or to cast their honor aside and team up against the dark syndicate running the tournament and bring the entire system down.

　　九个朋友，去森林露营过程中他们经历了一个疯狂的夺命之夜。派对醒来时，九个人胸前绑着自杀式炸弹，倒计时钟上都有不同的时间。当他们发现可以通过杀死对方来“占用”对方的时间时，自相残杀开始了。

　　9名年轻人醒来后，脑袋上插着摄像头，他们是一场密室逃脱游戏的参与者，为了生存，必须相互杀戮，直到最后一人。