Brazilian-Japanese gangster Mario rescues his Chinese girlfriend Kei as she's about to be deported from Japan. Desperate to escape, he hides in Tokyo's booming Japanese-Portuguese community and seeks passage from the country from a Russian mobster. To meet his price, they hold up a bigtime drug deal between the Chinese Mafia and the local Yakuza.

Kenichi is a half-Japanese, half-Chinese man of the underworld. You can sell him anything except children's organs. His domain is in Kabukicho, a gangland controlled by various Shanghai gangs intent on taking control. His former partner-in-crime, Fu-Chun, is rumored to have returned to Kabukicho, having fled years earlier after killing the number two of gangland boss, Yuan. Yuan wants to get even and attempts to do so by using Kenichi.

Mixed up by desire, love and hatred, a disturbed young man begins tailing and eventually tries to save his neighbor, a housewife who has turned to prostitution despite her comfortable lifestyle.

6 months after the earthquake disaster in Sendai City, Nakagaki Kazumasa is a young man who has lost his job. He encounters a dog named Tamon on its dog tag, who lost its owner in the earthquake disaster. Kazumasa decides to take Tamon in, and the dog becomes attached to him and his family, but Tamon always seems concerned about something in the south direction. One day, while Kazumasa is involved in a dangerous incident, Tamon disappears. Later, in Shiga, Tamon is with Sugai Miwa, who has a sad secret. Kazumasa reunites with Tamon, and they start a new life together. Nevertheless, Tamon heads south because Tamon has a promise it wants to keep to a boy.