法兰克是一个普通的上班族，在30岁的生日前夕，他的上司马克委托他代为照顾10岁儿子雷米。但法兰克的好友们，早已为他精心筹备一场狂欢派对，大伙将计就计直接到马克家举办派对，决定一边当保姆一边party！ 隔天马克接到警方的电话，发现法兰克跟雷米双双失踪，整个家里被搞得天翻地覆，唯一的线索是现场遗留下的一台DV……...

　For Goran and his team of amateur shooters, the plan was almost perfect: to enter a hypermarket at night to rob a jeweler. But these "broken arms" had not anticipated the arrival of a vigil...