Mari and Humi learn from their mother that their father has dementia on his 70th birthday. They help prepare their mother for his farewell and prepare themselves for the emotions to follow.

In Tokyo's Shinjuku district, the lives of a young man prone to theft, a young woman he meets at a bookstore, and a kabuki actor intersect.

Momo, 24, was recently dumped by Kentaro. Spotting his new girlfriend Riko on Instagram, Momo tracks her down and confronts her, proposing a secret alliance.

A man with darkness in his eyes has returned from hell for revenge.

In the past, two major organizations, the Renjo-gumi in the east and the Yamamura-kai in the west, attempted to establish an oligopoly and brought about a systemic order in yakuza society, but both of them dissolved and disappeared. As a result, independent organizations have fallen into a chaotic state where they greedy for profits with ambiguous boundaries. There was a man who had returned from America. The man's name is Ando (Hitoshi Ozawa). Under Ando, ​​men with an iron will and passionate ambition gather together, aiming to revive the way of chivalry that is thicker than blood. He was about to swing down the iron hammer of a man's righteousness against Japanese gangster society.

Itoda-gumi was excommunicated from the Mishima-gumi, but the situation changed completely when Ando (Hitoshi Ozawa) was welcomed as a wakagashira. He succeeded in destroying the Mishima-gumi by inviting an internal strife in the Sekishin Houkou Renmei to overthrow him. However, Mishima (Shunya Nagasawa), who sees Ando as dangerous, continues to attack him.

Toru Tachibana is a police officer who works as a guard at a detention center. He and his colleague Nakano, who lives in a shared room in a bachelor dormitory, are a good pair, joking around with each other. One day, Toru gets his dream job as a detective. He becomes involved in the investigation of a serial theft case, and in the process meets Emiko, who seems to be one of the victims of the theft. Toru develops a personal interest in Emiko, and begins to stalk her.

A struggling Japanese neighborhood supermarket manager chances upon an old classmate, who has plenty of ideas for revitalizing his business.

During the Sengoku period, villagers brutally killed eight samurai, and in the Taisho era, the head of an old family murdered 32 villagers in the Eight-Tomb Village. Terada Tatsuya, who had long been estranged from the Terada family, returns as its successor. However, this return is the beginning of a tragedy. Grandfather, half-brother, monks, nuns... one after another, people related to the family are murdered. Yet, the truth remains elusive. In the midst of this, Tatsuya stumbles into a massive cave system. What he sees there is a wax figure of the head of the Terada family wearing the samurai armor. Meanwhile, Kindaichi, who has uncovered the secret of Tatsuya's birth, finds himself at the same cave. At that very moment, Tatsuya is cornered deep within the cave by villagers who fear the curse.

A lone wolf yakuza vs detective. It was supposed to be an undercover investigation into the Yakuza organization… A drama of friendship and betrayal between men living in different worlds.