Rascal To Chai-yan brings a false charge of selling fake medicine against doctor Fan Tin-sang, who is sentented to a twenty-year imprisonment. Fan makes an escape after a decade, and secretly provides for the education of his son Fuk-kwan brought up by a poor blacksmith. Fuk-kwan grows up to be a doctor practising in the country. To again does harm to Fuk-kwan, only this time Fan intervenes. Both he and To die in the fight.
Cheung Wood-YauWong Fuk-kwanYung Siu-yeeBui-yee (adult)
Bruce LeeWong Fuk-kwan (child)
Ng Cho-FanFan Tin-sang
Josephine SiaoBui-yee (child)
Lau Hak-suenTo Chai-yanMui YeeChoi-Hung (adult)
Wong Cho-SanOld WongYip PingMrs Fan
Chow Chi-SingOld Chow
Ko Lo-ChuenPoon Hing-gwaiWong Fei-FeiChoi-hung (child)
Lee Pang-FeiChan Yuk-sing
Ling MungOld Yau
Gam LauBui-yee's mother