A college student takes over the family business in the field of organised crime.

Tajima is a private detective in charge of his own company, Detective Bureau 2-3. When warring criminal gangs go overboard by robbing U.S. military munitions, Tajima steps in to stop what the cops can't.

Goro Fujikawa (Tetsuya Watari) was indebted to Mitsugimoto. Sawada, a low rank yakuza with a gambling problem owed Mitsugimoto three million yen. This equation can only lead to one answer. Mitsugimoto needs to pay and Goro's coming to collect.

An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone, but they don't listen and take it back to a zoo in Japan. Soon after, moma and papa Gappa start smashing Tokyo looking for their kidnapped child.

The group led by Teruko was the most famous in the port city of Yokohama. One day, however, a group claiming the same name as Teruko and her group appeared and began extorting them. The group was led by Rosa, who had come from Hayama. Teruko and the others were taken in by Detective Jitsusei on suspicion of extortion, and were even doused with oil. What saved the day was a witness, a runaway daughter named Toshie. Toshie is a half-sister.

Former students of the notorious Harenchi Gakuen college open a new school for dissident youths after their former school is ruined by disputes.

One day, a lone horseman rides into town with a wounded man strapped behind him. Joe, the Ace, had captured one of the bandits who had held up the armored payroll car headed for the dam construction site, takes the wounded man to the police and claims the reward offered. He is told to wait until the driver of the armored car returns to identify the bandit and goes over to the Blue Star where he is introduced to Mishima, the owner of the cabaret, who is highly respected in the town. Joe then meets Saburo, while fishing, and his lovely sister, who seem to sense the real man beneath the rough appearance and take him into their home. Word reaches Joe that the bandit he'd captured had been shot and he hurries over to the hospital.