Tung Tung just graduated from the police academy, encountering a Vietnamnese assassin on his first day on work. Tung in order to break through obstacle in his mind decides to join SDU. Among the teammates, Coolman feels resentment toward Tung, which he doesn't understand. Later he discovers Coolman is actually his step brother. Tung actively tries to get close to Coolman, but is rejected. When training reaches its last stage, Coolman and Tung's team reencounters the Vietnamnese assassin on a deserted island.
陳曉東
as Chan Hiu Tung
張智霖
as Coolman Ho Chi Lam
莫文蔚
as Karen Kook
Annie Wu
as Annie Ng Ching Yee
張耀揚
as Eagle
謝天華
as Hommie Chu Ka Choi
Jason Chu Wing-Tong
as Brother Fourth
陳妙瑛
as Lily Yuen
黎駿
as Dummy
劉松仁
as Commissariat Chan Lik Wang
邱禮濤
as Yuen Nam Sam
Danny Chung Ting-Yat
as
