Hsiao Hu has been secretly training in martial arts, as his father (Tien Feng) has forbidden him. Later, some local store owners ask Ah to help protect them from a greedy Chinese extortion ring. Ah discovers that the crime lord behind the extortion had killed his father years before and is determined for revenge.
Cast: Jackie Chan, Chen Hung-Lieh, Shu Pei-Pei, Tien Feng, Hon Kwok-Choi, Ma Chien-Tang, Kwan Chung, Tai San, Hui Gam, Sze-Ma Wah-Lung
