Former inmate Katsuji gets involved in the horse gambling business while lending a helping hand to a ranch operator.

Suehiro Katsuji, a prisoner of Abashiri, is sent to Shikoku to work at a dock where a fierce turf battle takes place between a local gang and the dock operator.

Katsuji takes revenge on evil Tamaru who forcefully took control of the fishery business run by Katsuji’s friend.

Prisoner Katsuji must fend for himself and his prison mates in the fierce battle involving a family feud.

Former soldier, Suehiro Katsuji, fights violent gangs and powerful Chinese merchants during the post-war period in Japan.