Karate expert Katayama (Takeda) investigates the robbery of a bank in Hokkaido, where an apple seed left at the scene holds the answer to the robbers' whereabouts.
Screenplay: Hisashi Watanabe, Kazuo Kuroi, Tetsuya Takeda
Director of Photography: Yukio Yada
Director: Rokuro Sugimura
Producer: Hiroshi Fujikura, Terumi Kuroki