16岁的中国女孩珍（妞妞 饰）独身赴英国留学，当她在伦敦机场徘徊之际，校方派来接站的香港留学生DJ（陈冠希 饰）心不在焉的出现了，DJ索要了珍的小费之后带她参观校园，珍的土气举动让DJ啼笑皆非。因为自己的音乐梦想，DJ被负责任…

Three strangers from different backgrounds find themselves trapped inside a confined mansion and as they run low on resources they soon figure out the only way to escape is for one to kill the other two.