Secret Rivals (1976)
Two rivals, Shang Ying Wai (Tao Wong) from the South and Shao Yi- Fei (John Liu) from the North, have one common enemy, the Silver Fox (Jang-Lee Hwang). The Silver Fox killed Shao’s parents and robbed from Sheng’s palace. When each one fails to defeat Silver Fox, the two decide to team up to get the job done.
Secret Rivals (1976) was released in Hong Kong on June 18, 1976.
Secret Rivals 2 (1977)
Woo Ping Yuen was stunt coordinator for Secret Rivals 2 (1977)
Picking up almost exactly where the original Secret Rivals ends with the death of the dreaded Silver Fox. Gold Fox (Jung-Lee Hwang) is mourning the death of his twin brother Silver Fox. The evil Gold Fox vows to get revenge against Northern Leg and Southern Fist. But Gold Fox is unable to find Southern Fist, Shao Yi-Fei (John Liu) and must instead fight his brother Shang Ying Wai (Tao Wong), who is saved in the nick of time by Northern Leg Lung Lun (James Nam). After escaping, the two once again need to combine to defeat their dreaded enemy Gold Fox, but he has taken precautions and brought backup: four expert kickers and four expert boxers.
Secret Rivals 2 (1977) was released in Hong Kong on April 2, 1977.
Secret Rivals 3 (1981)
Hong Kong martial arts-action film Secret Rivals 3 (1981) is directed by Hsin Yi Chang and Sung Yee Cheung from a screenplay by Chien-Chi Chang. The film stars John Liu, Alexander Rei Lo, and Robert Tai.
“Northern Leg” Shao is out to find his brother’s killer. When the evidence points to “Southern Fist” Lu, he comes to realize his brother’s killer is not Lu. After some bloody fights, Shao and Lee challenge the villain in a duel to the death.