姐姐（吴嘉丽）因感情上被离弃的痛苦，变成了“黑寡妇”般的杀人狂。妹妹（徐濠莹）从美国返港发展，不知姐姐有此嗜好，她们均对住在隔壁的靓仔（秦豪）发生兴趣。吴嘉丽的好友（伍永薇）为了告知姐妹两人的心事，故意探访秦豪，却发现秦豪失踪。警探吴大维进行周密的调查，发现了可疑之处。情理之中，意料之外，银幕上首现人妖与男人造爱的场面，人妖妃嫱友情出演。
达西爱着阿斯特丽德，但阿斯特丽德却对他怀有敌意。这段爱情故事的走向注定不会像他们想象的那样。
A clever fortune-hunter with a penchant for murder does in his elderly, supposedly rich, wife and manages to get away with it. After an investigation results in a decision of 'accidental death', our crafty killer discovers that his late wife's 'fortune' is not what he thought it was. Driven to find another unsuspecting spouse; he discovers that his new bride, a widow, is no fool. When she tells him that she intends to keep her accounts separate from his, he is driven to contemplate murder once again
影片讲述了新闻工作者马尔的父亲被残酷的谋杀后，马尔决定自己来调查。马尔深入一类似军队的团体调查，在新闻工作者莉塔的帮忙下，发现这个团体和政府的关系；同时马尔的两个朋友也不可思议的被杀了，危机似乎从每个角落威胁著他。
