Carter (Thomas Jane), a troubled veteran who gets a chance at redemption by protecting a 12 year-old girl from an assassin after she witnesses a murder. Holding a shotgun with a single shell, he engages in physical and psychological warfare in a desperate fight for the girl's life.

詹妮弗迅速从机场行李传送带上拿起一个黑色行李箱。她后来发现自己拿错了包。很快，一名男子打来电话，声称如果她女儿不按照他的指示归还行李，他就会伤害她的女儿。