Osamu Fukuoka

Detective Kogoro Akechi is faced with a peculiar murder case involving forgeries of classic pornographic artworks.

After Emiko, a bookstore owner, is driven to suicide by loan sharks, her orphaned son Eisuke decides to take his revenge on them. As Eisuke has no relatives, he is taken in by Keiko, who keeps an eye out for him due to his unusual behavior. One day, Eisuke breaks into the loan company with an improvised gun. In the moment, Keiko ends up becoming Eisuke's accomplice and helps him succeed in the robbery. However, the two are surprised when they hear something on the TV news that differs from the truth.

Karate expert Katayama (Takeda) investigates the robbery of a bank in Hokkaido, where an apple seed left at the scene holds the answer to the robbers' whereabouts.

An ivory ape escapes from a freighter and makes its way to Bermuda. Two anthropologists want to save it, but the local authorities hire a big-game hunter to track it down and kill it.