彼时上海滩由马永贞何家劲 饰和白癞痢陈鸿烈 饰平分天下段冷翠李婉华 饰在暗中帮助马永贞颇多虽然她的真实身份是军阀之女但面对意气风发的马永贞段冷翠还是动了芳心 马永贞一直醉心于京剧名伶柳菊池俞小凡 饰然而柳菊池却碍于马永贞帮派头目的身份而不愿于其交往在经历了诸多的风波之后柳菊池终于放下了对于身份的偏见正视内心里的感情和马永贞走到了一起白癞痢的女儿白小蝶范冰冰 饰其真实身份竟然是马永贞失散多年的妹妹和家人团聚之后马永贞一行人决定除掉白癞痢却不知这一决定改变了他们的一生
Toby#39;s personal life also heats up as his relationship grows with crime reporter Tia Tremblay, who is inexplicably the one person he can#39;t read Life will be no less dramatic for Toby#39;s colleagues as Sgt Michelle McCluskey struggles through a complicated marriage with her husband, while IIB head Alvin Klein nbsp;attempts to protect himself and his team from the political manoeuvrings of the ambitious new police superintendent, Nichola Martell Meanwhile, new director of emergency services Oz Bey realizes that being the boss is harder than he expected
本剧由四宗发生在香港扣人心弦的真实刑案带出四个令人惊惧的罪行藉由一队重案组的警探办案实录贯穿而成包括耸人听闻的「屯门色魔强奸案」喧腾一时的桃色纠纷「溶尸案」使市民提心吊胆的「大圈仔军火械劫案」及「淫业大厦扫黄行动」案件生动地描绘各阶层犯罪的人性丑恶而编剧为了加强剧中人物与案件的关连性特别穿插男女主角CID张兆军林嘉华女CID丁兰蓝洁瑛重案组总督察方伟陶大宇扫黄组女总督察刘婉仪梁婉静及聂志华张国强一段微妙的五角感情关系交错编织成属于都市人性化的实录档案
