杀手悄然潜入黑夜，目光如电，决断一击，命运已注定。绝世炼丹师纨绔九小姐

　　With her son being held captive by a criminal gang, police-officer Amanda Doyle, together with her ex-husband and three unlikely allies, takes part in a desperate plot to hold a wealthy banker and his family to ransom. But this is no ordinary family