A martial artist agrees to spy on a reclusive crime lord using his invitation to a tournament there as cover.
- Year: 1973
- Country: Hong Kong
- Genre: Action
- Studio: Concord Productions, Warner Bros. Pictures, Orange Sky Golden Harvest
- Keyword: monk, spy, martial arts, kung fu, temple, island, sister, shaolin, hong kong, shaolin monk, east asian lead, martial arts tournament, crime lord
- Director: Robert Clouse
- Cast: Bruce Lee, John Saxon, Jim Kelly, Sek Kin, Ahna Capri, Robert Wall