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.

Historical movie set during the Japanese occupation of China during WWII. Jackie Chan is one of the good guys but has nothing much more than a supporting role.

Incriminating evidence against a gang is left in a cab when a gang member dies in it. The gang chases the innocent cab driver, who receives help from the dead gangster's sister - a tough police woman.