Seventeen years ago, an assassin ambushes triad boss Yau. Yau’s wife, Nam, sends Chai, Kam and others to find the assassin. Chai catches the assassin and discovers that he is Meow, Chai and Kam’s childhood best friend. To save his friend, Chai helps Meow flee Hong Kong. Though Yau survives the attack, the injuries leave him crippled for the rest of his life.
Bosco Wong Chung-Chak is a Hong Kong actor and singer most well-known for his extensive career with broadcaster TVB. He achieved his first acting credit with TVB in the 2002 show "Burning Flame II", and has since been cast in numerous big production dramas, such as "Heart of Greed" (2007), "The Gem of Life" (2008), "Lives of Omission" (2011), and "The Ultimate Addiction" (2014). In 2008, he expanded his filmography to include roles in feature films.