Sentaro (Raizo Ichikawa) from Ipponmatsu sets out to commit evil and gain dignity, but his good-natured nature does not allow him to do anything bad. Along the way, Sentaro saves a young woman named Okimi (Yuko Miki) from a bad womanizer and meets a Yakuza named Katsugoro (Yoshie Mizutani). He then visits Katsugoro boss Kanjiro Inariyama (Ganjiro Nakamura II) to train to be a yakuza, but to his surprise discovers that Katsugoro is Kanjiro's only daughter, Okatsu. He also finds out that the young...