鄭嘉穎
Au-Yeung Wai-Lan (Yuen Qiu), owner of a martial arts training school, is reunited with her long-lost son Ku Yu Cheung (Kevin Cheng) after years of agonizing separation. On his return home, Yu-Cheung is shocked to find that his younger brother Koo Yu-Tong (Kenneth Ma) has been critically ill and that his father was murdered long ago by Wing Tak (Dominic Lam), the existing director of a pharmaceutical company and a bitter old foe of the Koos.