A highly respected Hong Kong police officer falls into a deep depression after triad gangsters murder his wife, and struggles to investigate a series of triad kidnappings due to the fact that the gangsters have worked diligently to cover their tracks. Cheung Bo-Man had a genuine knack for gathering clues from a crime scene, he always kept a level head, and his sharpshooting skills were the stuff of legend. But Cheung was never the same after he lost his wife, and he's about to take on his biggest job to date. When the triads behind a series of kidnappings prove exceptionally elusive, Cheung realizes that in order to catch the gangsters, he'll have to start thinking like one.