警界雙雄駱松與高川因追查恩師程楓華意外遇害而引發的系列故事。程楓華去世後，高川因故脫離警隊，但仍執著於調查師父當年車禍的背後真相，而接連發生的系列案件也讓駱松對當年的意外有了更多懷疑。雙雄幾經間離，終於再度聯手，殊不知，二人已陷入精心策劃的生死迷局之中。

The two heroes of the police department, Luo Song and Gao Chuan, encounter a series of events as they investigate the accidental death of their master, Cheng Fenguha. After Cheng Fenghua's passing, Gao Chuan leaves the force but is still obsessed with the truth of the car crash that took his master away. A series of my…