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.
| Actor | Role |
|---|---|
 Cheung Wood-YauWong Fuk-kwan | Wong Fuk-kwan |
| YYung Siu-yeeBui-yee (adult) | Bui-yee (adult) |
 Bruce LeeWong Fuk-kwan (child) | Wong Fuk-kwan (child) |
 Ng Cho-FanFan Tin-sang | Fan Tin-sang |
 Josephine Siao Fong-FongBui-yee (child) | Bui-yee (child) |
 Lau Hak-SuenTo Chai-yan | To Chai-yan |
| MMui YeeChoi-Hung (adult) | Choi-Hung (adult) |
 Wong Cho-SanOld Wong | Old Wong |
| YYip PingMrs Fan | Mrs Fan |
 Chow Chi-SingOld Chow | Old Chow |
 Ko Lo-ChuenPoon Hing-gwai | Poon Hing-gwai |
| WWong Fei-FeiChoi-hung (child) | Choi-hung (child) |
 Lee Pang-FeiChan Yuk-sing | Chan Yuk-sing |
 Ling MungOld Yau | Old Yau |
 Gam LauBui-yee's mother | Bui-yee's mother |
| CCheung Sangvillage neighbour | village neighbour |
 Chan Lap-Banvillage neighbour | village neighbour |
 Chu Yau-Kodancer at nightclub | dancer at nightclub |
 Yuen Lap-Cheungpharmacy's customer | pharmacy's customer |
| LLam Liu-NgokTo's man | To's man |
 Fung Ging-ManTo's man | To's man |