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.
Drawn by the exorbitantly high hourly wage of 112,000 Japanese yen, ten men and women gather at a mansion. Everyone thinks the simple psychology experiment will get them some quick cash... until one of them winds up dead. The participants are overcome with frenzied suspicion. Various deadly weapons are left in their rooms and they are killed off one by one.
In a Japanese school, 5 adolescent geeks join the new sport teacher and take up the challenge to take part in the synchronised swimming competition, in-spite of the mockeries of the real sportsmen.
