Jackie Chan, Nora Miao, Chan Sing, Henry Luk Yat-Lung, Yi Ming, Suen Lam, Liu Ming, Cheng Siu-Siu, Han Su, Han Ying-Chieh, Lo Wei, Chiang Kam, Liu Ping, Yeh Hai-Ching, Weng Hsiao-Hu
A brother and sister escape from Japanese-occupied Shanghai to Japanese-occupied Taiwan, to stay with their grandfather who runs a Kung-Fu school there. However, the master of a Japanese Kung- Fu school in Taiwan has plans to bringing all other schools on the island under his domination, and part of his plan involves the murder of the grandfather.