When Taekwondo Strikes (1973)

The story is about the Japanese occupation of Korea during World War II. A Korean patriot played by Carter Wong gets into a fight with some Japanese people and is chased into a church. The priest there is captured and tortured. Trying to secure his release, the leader of the resistance, Jhoon Rhee is himself captured and tortured by the Japanese. Carter Wong, Angela Mao and Anne Winton have to now try and rescue him. This leads to an explosive climax with the heroes having to fight the likes of Wong In Sik (Hwang In-Shik), Sammo Hung and Kenji Kazama.

Unfortunately the movie When Taekwondo Strikes is not yet available on HBO Max.