In a secret gang transaction, the Qinglong Gang was betrayed by an insider and suffered heavy losses. After the incident, He Tian, the best assistant of Qinglong Gang Prince Xu Qun, disappeared mysteriously. After investigation, Xu Qun discovered that He Tian turned out to be an undercover policeman. But Xu Qun never believed that He Tian had betrayed him. He searched hard, but was escaped by He Tian again and again. This time, he finally caught his former lover who had defected...