Detectives Cheung Tai Yung and Lee Chung Yee are back! This time, they are faced with even tougher cases: “Fatal Attraction”, “Destroying the Corpse”, “Death Warning, “ and “The Son’s Cross”. Meanwhile, Yung and Jessie are at a crossroads. Their love is tested as Carmen, a new member of Yung’s team, comes into the scene. Carmen is crazy about Yung. Then, Jessie finds out Carmen was once involved in a murder case.