In British-administered Hong Kong, "Braithwaite" (Geoffrey Weeks) seeks to engage the services of renowned martial arts expert "Lee" (Bruce Lee) to help the authorities thwart the heroine running activities of local, gloved, kingpin "Han" (Kien Shih) - who looks like a man straight out of "Dr. No" (1962). Luckily, this villain is organising a tournament on his island and that might provide for an excellent opportunity to bring the man down. "Han" is no fool, though, and has his own henchman "Oharra" (Robert Wall) and John Saxon's accomplished fighter "Roper" and his pal "Williams" (Jim Kelly) ...