A skilled fighter is employed by a Manchu after saving him from Ming assassins, but his loyalty is tested when he discovers that his family have been targeted by the Manchus.

Lord Tsoi of the Manchus is ambushed by Ming freedom fighters. Kung fu fanatic, Shao Hai, comes to his rescue and is made Tsoi's personal body guard. Shao Hai soon finds that he has been ordered to kill a member of his own family so he must take vengeance against Lord Tsoi and his men.