Hidejiro is a wandering yakuza with a ‘karashi botan’ (Chinese lion and peony) tattoo. Owing a favor to the Soda Family, he kills the boss of the rival Sakaki Family. When the Soda attacks the Sakaki and double-crosses him, with sword in hand, Hidejiro seeks brutal retribution.
The son of the murdered Yakuza, Kenji, at the request of his mother, worked in a stable company. However, soon the girl Kenji Amy, who was in favor of the director of the company, is sexually harassed by him. Kenji beats the director and resigns. He asks his brother Ryota, the manager of the cabaret, to find a job, but his brother refuses him, and he is taken in by Senba, a yakuza boss specializing in smuggling and drugs...
Teacher Yukiko finds herself in opposition to conservative faculty and villagers after defending a student for being in a relationship with a young man from Tokyo.