中国的铁杆兄弟四国

于萍千里迢迢的来到香港追寻其杀父之仇人，故而在夜总会中卖艺献唱，同时雇用征信社来进查大牛之踪迹。舞台上，摇曳生姿的子萍，更吸引住黑龙，偏偏于萍却对其身旁的大牛青睐，而谱下了恋曲，落入黑道之黑龙，令其妹与大牛担心不已。一场黑吃黑的事件中，黑龙终于命丧黄泉，其妹与大牛誓死为其兄复仇。征信社调查下，萍方知自己所爱之人竟是当年杀父之大牛，泯灭良知之大牛在一不做二不休下，将于萍狙击。黑龙妹得知大牛枪杀其未婚妻于萍，于教堂外设陷忍痛的枪杀大牛。。A drug heist goes wrong, as one of the drug carriers escapes after stabbing the robbers, gets a glimpse of their faces. The two masked men are actually two police officers, who decided to plan the heist. Vincent, a lieutenant who now has a bad stab wound, ends up with a huge bag of coke. The bag of coke belongs to a powerful mob boss/nightclub owner named Jose, who kidnaps Vincent's son in hopes to reclaim his property. Vincent has until the end of the night to return the stash and save his son.。连环杀人犯潜进纽约！艾德华，一位临将退休的警探，要在退休前落下完美的句点。他和这些受害者有什么关联？凶手行凶的动机究意是为了什么？。