Kenji, a disciple of the famous detective Kyosuke Kozu, had a strange experience in the world. He was asked by a woman named Shoko Ima to find the corpse in the soil. Shoko is a famous dancer in the modern ballet world, and she just married doctor Fujimoto 10 days ago. However, on that day, Shoko had disappeared. Her corpse seems to be at the base of the ginkgo tree in the house of the sculptor Kagawa, who was rumored to have a romantic relationship. Police arrested Konosuke. However, Kagawa was also suspicious.
The third work of the popular series depicting the famous detective Kyosuke Kozu. Blind musician Ryoichi Kashiwagi died of a heart attack. His father, Shigeyuki , is already bedridden and has billions of Japanese yen in assets. Ryoichi's wife Yukiyo and Ryoichi's younger sister Tsuruko have a dispute over these assets. Newspaper reporter Matsushita, who met Ryoichi just before his death, was interviewed, and was told that there was something unnatural about Ryoichi's cause of death. Soon, Tsuruko died mysteriously. Matsushita decides to have Kyosuke Kozu, a university professor and a famous detective, solve the case.
