被警界荣称为“三叉戟”的三位人民警察：崔铁军、徐国柱、潘江海，在退居二线之际，遇到了一起洗钱大案，“三叉戟”重新面对20年前的对手并被多方势力挑战。金融巨骗为了解冻资产，不惜雇佣黑道动用极端手段。面对新型犯罪，“三叉戟”用传统的工作手段进行对抗，纷纷使出了自己的看家本事。在对手巧施离间计时，“三叉戟”的关系分崩离析。但在警察职责面前，他们最终齐心合力，一举击破了金融犯罪集团，同时也将幕后的黑手绳之以法，续写了“三叉戟”的辉煌。
After an embarrassing and public breakdown, Detective Aidan Black (David Sutcliffe) is reassigned from his beloved SWAT team to the newly created Psych Crimes and Crisis Unit. There, he's dismayed to find his partner is not another cop, but forensic psychiatrist, Dr. Daniella Ridley (Stefanie von Pfetten). The unit also includes Detective Poppy Wisnefski (Luisa d'Oliveira) and psychiatric nurse Leo Beckett (Dayo Ade), with Inspector Diane Caligra (Karen LeBlanc) keeping a close watch over the unique partnerships. Passionate and opposing viewpoints are an inherent part of the job in Psych Crimes, and the answers the teams seek never come easy. Aidan's deep insight and investigative skills combine brilliantly with Daniella's keen ability to decipher human behaviour. Learning to work cohesively, the Psych Crimes and Crisis Unit investigates city's most troubling and psychologically complex crimes. Whether or not the unit is still around in a few months...
宋朝大将庞清圻(刘永)、清风(吴毅将)两兄弟因抵御元兵入侵而被抄家，兄弟亦因误会 而反目。 清风携玉玺以救宋室，怎料跨越时空，来到现代世界的香港，其后清圻追杀 而至，遂引起连串杀人风暴，期间清风连玉玺亦失去.....
故事发生在明朝末年，胡、苗、范、田四家人本是至交，却因为一场误会而结下了血海深仇，其后人们更是为了争夺明室遗留下来的宝藏而大打出手死伤无数。胡一刀（吕良伟 饰）侠肝义胆想要使沉冤得雪消除误会，却遭到了田归农（曾江 饰）的陷害最终命丧苗人凤（谢贤 饰）手下。 胡一刀的妻子郎剑秋（戚美珍 饰）死前将儿子胡斐（吕良伟 饰）托付给了平四，长大成人后的胡斐发誓要杀死苗人凤替父母报仇。胡斐继承了祖传的《胡家刀法》，习得了一身好武艺闯荡江湖，邂逅了名为袁紫衣（周秀兰 饰）、程灵素（景黛音 饰）等身世复杂的江湖女子，牵扯出了一段荡气回肠的武林传奇。
