When a man's son is kidnapped by his enemy he must hit the vengeance trail.
An Earth Defence Brigade is formed to protect the world against invaders from outer space. The ruthless Frang Gang begins its raid against the earth on land, sea and by air. But they meet their match in the super robots of the Earth Defence Brigade.
After his father's brutal murder, Ton Tin-Kuo sets out to seek the killer. He is befriended by evil casino owner Don Yee, who actually sets Tong up to fight his bitter enemy Pau Tze-Pin, but Pau reveals the truth of Don Yee's tricks to Tong and later makes firm their alliance by rescuing him from prison and explaining that Don Yee is his father's murderer. When his sister is also killed by Don Yee, Tong thirsts for revenge!
Two young men flee Hong Kong after stealing diamonds from their boss and attempt to hide with friends in Paris, but professional hitmen persue them relentlessly throughout France.
