Masutatsu Oyama is recruited by his former Army friend to work for a crew of gangsters, but when they kill both his girlfriend and his best friend, Oyama flees away to a small town where he both learns lessons in martial arts philosophy from a wandering master and helps a young boy take on a challenge to fight a ferocious captured bear to win money for the boy's injured father.

• Toei Company
• Sonny Chiba
• Yutaka Nakajima
• Yumi Takigawa
• Masashi Ishibashi
• Hideo Murota
• Eiji Gō
• Katsumasa Uchida
• Mikio Narita