Obayashi's take on the famous Kosuke Kindaichi series, made popular partly thanks to the numerous movie-adaptions by Kon Ichikawa, the most known being The Inugami Family. Kosuke Kindaichi is the most famous detective in Japan. Kindaichi gets a new case to figure out who has beheaded a valuable statue and made off with its head.
As his investments in the stock market fail, a man finds himself in serious debt to a lecherous loan-shark named Uchiyama. The man's wife hires herself to Uchiyama to buy time for the husband to pay off the debt. After Uchiyama uses the wife to provide companionship for his mentally-impaired son, she is hit by a car, and her husband falls into despair and illness. Their daughter works as a nightclub dancer, intending to save the money to help with the debt. After her father's suicide, the girl decides to get revenge.
Junpei Kihara, a young president of the University's wrestling club, is nicknamed "Mr. Chop". One day, on the way back from visiting the hospital after being thrown by Nobuyoshi Shinohara during practice and injured, he met Asako, the sister of Arisawa's mother, Katsuko. When they entering a coffee shop run by Asako's best friend Hisako, Hisako misunderstood them as lovers...