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-Yau
as Wong Fuk-kwan
Yung Siu-yee
as Bui-yee (adult)
Bruce Lee
as Wong Fuk-kwan (child)
Ng Cho-Fan
as Fan Tin-sang
Josephine Siao Fong-Fong
as Bui-yee (child)
Lau Hak-Suen
as To Chai-yan
Mui Yee
as Choi-Hung (adult)
黃楚山
as Old Wong
Yip Ping
as Mrs Fan
Chow Chi-Sing
as Old Chow
Ko Lo-Chuen
as Poon Hing-gwai
Wong Fei-Fei
as Choi-hung (child)
