Based on the collection of short stories "Kuroi Gashu - Kusa -" by Seicho Matsumoto (published April 10, 1960 to June 19, 1960 in weekly magazine Shukan Asahi).
Ichiro Numata (Hiroaki Murakami) is the chief editor of a publishing company. He suddenly falls unconscious and is hospitalized, but various cases takes place at the hospital.
Hospital Director Kenichiro Asashima and Chief Nurse Junko Amemiya goes missing. There are rumors that they were in a close relationship. Head of Drug Management, Yasuharu Horimura is found dead. Rumors were that he stalked Junko Amemiya. The investigation into his dead is carried out as a suicide case, but Detective Eiji Kirishima (Takanori Jinnai) suspects foul play.
Ichiro Numata follows with his sharp eyes what transpires at the hospital and he also holds a secret.
Kaze Matsukichi is a TV producer with a beautiful wife, Futaba. However, he also has nine mistresses. His wife and mistresses have an inkling about each other’s existence, but they just cannot leave him even though they are fully aware that he is a philanderer. One day, they plot to murder him.
Misa Kuroi is a good witch, but wherever she goes, evil follows. When a dying girl appears out of nowhere shouting Misa's name, our heroine goes to work. Following the clues, Misa transfers to the prestigious Saint Salem School for...
April 4, 1959 in the early morning Detective Fujisawa Rokuro of the Metropolitan Police Department (MPD) was walking his dog along the banks of Tokyo's Musashino district, and found the body of a young woman. Her handbag, an express delivery envelope, and other possession were stil with her, her identity was immediately confirmed as airline stewardess Ikuta Setsuko. Initials her death was considered a suicide due to the visual evidence of a lack of struggle, and the peaceful expression on her face. Upon further examination the cause of her death was determined as suffocation. semen was also found at the scene leading detectives to believe the crime occurred shortly before the body was found.
Fujisawa unable to forget the peaceful expression on Setsuko's face makes a direct appeal to the head of criminal investigations. He is order to work in combination with young detective Ichimura Yoshitaka. Fujisawa is the ace of the MPD, but he tends to go off on his own and that sometimes gets him into trouble. Manager Takaku Ryo takes it upon himself to monitor Fujisawa and Ichimura's behavior.
Eventually it is discovered that a blue Renault with a foreign license plate was seen one the night of the incident near the crime scene. The owner of the blue Renault, a young preist,mis found the be the sender of the express envelope found with the body. The young priest is the prime suspect, but this situation could become an international problem if handled incorrectly. One day while Fujisawa is on a stake out at the Church of Villiers were the young priest preaches a mysterious woman comes and speaks to the Chief Priest. The atmosphere around her seems to repel people.
Sergeant Kuroi Maya arrives at the Violent Crimes Investigation Section of Kawasaki Aozora Police Precinct’s Criminal Affairs Division. Soon after she takes up her new post, she digs up and exposes the past of a criminal who has besieged a building and taken hostages and solves the case in the blink of an eye. Maya’s boss, Shirokane Fujiko, and the rest are dumbfounded. Maya is a beautiful yet sadistic detective who excels at checking out information on others and using it as a weapon to corner the enemy. But she has no sense of loyalty to the police organisation, completely ignores rules and loves to see troubled looks on people’s faces. She became a detective so that she can torment bad people all she wants. One night, police officer Daikanyama Shusuke of Aozora Minami Police Box receives a phone call about hooligans rampaging at a disused factory and discovers a dead body at the site. The good-natured, earnest but careless Daikanyama happens to catch the attention of Maya, who has come to the scene for the investigation, and gets transferred to the Violent Crimes Investigation Section. Fujiko is irate that the personnel change was carried out without consulting her. But Maya disregards Fujiko, designates Daikanyama as her partner and goes out to investigate the case. While detectives Arisugawa Tsuneo and Kondo Tokuji are proceeding with the investigation of the hooligans who were seen around the disused factory, Maya finds the photograph of a beautiful girl in the room of the murdered man, Aoyama. She learns from the medical examiner who has dissected the body that the criminal had persistently battered the dead body after murder, and goes to question Igarashi, the assistant branch manager of the credit association where Aoyama had worked as a security guard. The unlucky Shusuke finds himself at the mercy of Maya’s extreme behaviour, but starts to make effort to solve the difficult cases which occur every day.