The Martialmates (1976)

Pil-ju, an Alzheimer's patient in his 80s, who lost all his family during the Japanese colonial era, and devotes his lifelong revenge before his memories disappear, and a young man in his 20s who helps him.

In the Joseon Dynasty, two friends who grew up together — one the master and one the servant — reunite post-war as enemies on opposing sides.

Sang-ho is an ordinary high school student. His dream is to enter the military academy under the influence of his father who is an army colonel. As entering high school, he became friends with Jae-gu, Chang-bae, Kyung-chul, Hong-kyu and Sang-sik. They grouped a soccer team called 'Tiger', building up friendship by playing soccer. Sang-ho and his friends ran into group of fight with seniors, these incidents made everybody in school to misunderstand them as they were serious group of gangster. When Sang-ho gets becomes close with a girl whose boyfriend is a boss of another school's gangster group, things are going worse.

Choi Ik-Ho is a martial arts star with talent for action and humor. But one day, he is framed for murder. Ace is a game planner, who makes a game for the Korean upper class. He is a villain who makes a city into a big gameboard through technology. Ace and Choi Ik-Ho become adversaries as Choi Ik-Ho jumps into the game to save his brother.

An account of karate competitor Choi Yeung-Eui who went to Japan after World War II to become a fighter pilot but found a very different path instead. He changed his name to Masutatsu Oyama and went across the country, defeating martial artists one after another. This film concentrates on the period when he is still young, and developing his famous karate style, Kyokushin.

Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.

While working as an EMT back stateside Jake Carter after responding to a distress call, finds himself caught up protecting a person of interest from a biker gang ruthlessly hunting them down.

After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.

Nick and Ruben are hoodwinked into a "shootfighter" (no-holds-barred, to the death) martial arts match by the evil Mr. Lee, who has a grudge against world shootfighter champ(and teacher of Nick and Ruben) Shingo.

In 1862, amidst the rule of the late Joseon dynasty in Korea, a band of fighters named Kundo rise against the unjust authorities.