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.
A young Chinese all-karate champion, Tze Chiang (Kurata Yasuaki), along with his Japanese wife, arrives home in Shanghai only to find that the situation there has become intolerable. Now, he is a foreigner in his own land due to a Japanese occupation! Tze Chiang soon discovers that his parents have been murdered by a local Marshall, so the military can use the Chiang's family home as a post.
After the noble escort captain Han Wu Kwan rescues the grandson of the famous escort security chief Hung Wan Kang. He pledges to escort the kid safely back home. While protecting the child, Han loses his sight. Then he began to learn kung fu for the blind and took revenge on his enemies.
