Akira Inami (Shun Oguri) is a former Self-Defense Force member. He was emotionally scarred by a special mission and subsequently discharged from the Self-Defense Force. Now, Akira Inami works for a secret Special Investigation Team at the National Police Agency. Meanwhile, Saburo Tamaru (Hidetoshi Nishijima) is kind and stoic. He used to go on special missions, but due to an incident was ordered to join the Special Investigation Team. With Akira Inami, Saburo Tamaru and other members, the Special Investigation Team tackles important political matters and dirty jobs for the government.
One day in Tokyo in 1974, a black youth with a scruffy appearance mysteriously dies inside a hotel elevator headed for the top floor. He had been stabbed deep in the chest with a knife. A single tear ran down his cheek. Detective Munesue Koichiro of Kojimachi Higashi Police Precinct rushes to the scene and begins to investigate the youth’s death together with Yokowatari Shinsuke from the Tokyo Metropolitan Police Department’s First Investigative Division.
Ryusuke Umeki (Noriyuki Higashiyama) works as a creative planner for an IT company.
One rainy night, while driving back home, Ryusuke Umeki picks up a man and a woman named Miyuki Eto. Miyuki Eto is a mysterious and beautiful woman. Ryusuke Umeki becomes addicted to her sexual attraction, but he learns that men who approached her had suspicious deaths. At the risk of his own life, he begins to look into Miyuki Eto’s identity.
One late night in June 1942, Sakuma Seitaro dangles from the frame of a skylight in an isolation cell in Akita Prison. He forces open the glass window and breaks out of jail. This crime even reaches the ears of Urata Susumu, the chief warden of Kosuge Prison in Tokyo. Urata had been in charge of those sentenced to life in the prison until last year.
Ryota Takeshima (Masataka Kubota) has followed in his father's footsteps and now works as a prison officer at Kitakanto Prison. He has witnessed corrupt prison officers who tolerates bullying and gambling. Soichi Nakui (Yukiyoshi Ozawa) then becomes the newly appointed prison chief. Soichi gives an order to Ryota, informing him that he will get rid of prison corruption.
When Shoutarou Tatewaki first meets Sakurako Kujou, he knows his life will never be the same. Initially believing her to be responsible for a disappearance in the neighborhood, he later learns of her true talent: analyzing bone specimens. Sakurako has quite the collection of reconstructed animal bones, but she wishes she had more of the human variety, much to the chagrin of those around her.
A monster (Gou Ayano) was created from an incident that took place 100 years ago. He possesses super physical ability and can live forever. He yearns for humans and listens to the radio. He picks up things thrown away by other people. The monster dreams of living as a human. One day, he meets a young woman Tsugaru. He falls in love with her.
A man (Masaki Aiba) identifies himself as “Kizoku” ("Aristocrat") and works as a private detective for a hobby. Nobody knows his age, address or anything about his family. The actual deductions and investigations are carried out by his employees including his butler, maid and chauffeur. He only has a good time talking to the women involved in the cases.
Meanwhile, Aika Takatoku (Emi Takei) works as a private detective. She competes with the Aristocrat Detective to solve cases.
Shinichiro Kosaka (Hiroki Hasegawa) is a detective at the Tokyo Metropolitan Police Department. He has worked hard to become the chief of the first investigation division, but he makes a mistake. Due to his mistake, he is demoted to a police station. There, he meets detectives, who may have less skills, but are determined to solve cases.