This is Midnight Angel without the female caped-crusaders. Once again, Yukari Oshima steals the show as she seeks revenge against the drug overlord who killed her fiancee.

A hit-man and his cop-brother gets involved with drug-dealing gangs in Hong Kong.

After Chen Zhen's execution in Shanghai, the Japanese feared that his death would unite all Chinese kung fu schools against them. Fearing this, the Japanese gave orders to the head of the Hong Ku School, Miyamoto (Lo Lieh) to surpass all Chinese schools including the Ching Wu School. When they refuse, the Japanese beat up the students and destroys the school. Meanwhile, one Chinese learns about the destruction of the Ching Wu School when he goes to Shanghai to visit Chen Zhen's grave. This Chinese is the only one who has the guts to fight the Japanese, this Chinese is known as Chen Shen (Bruce Li) who is the brother of Chen Zhen and he vows to avenge his brother's death and end the terror of the Japanese once and for all.

When a sailor accidentally kills a Japanese man in a bar room brawl, he tries to escape the law by hiding himself in a freighter heading for Japan only to find himself in the middle of a massive drug war.