Detective Ukyo Sugishita confronts crime on the basis of his own convictions. He has a partner that works for him in the Special Task Unit. For the first 7 seasons, Ukyo’s first partner is Kaoru Kameyama. He is a good-natured, hot-tempered, straightforward and somewhat scattered detective. Beginning in Season 8, Takeru Kanbe replaces Kameyama. Contrary to his predecessor, Takeru is a lanky, cool, conceited and confident detective. From Season 11 to Season 13, Ukyo’s partner is a young detective Toru Kai. Toru is a son of Deputy Director-General of The National Police Agency. But he became a detective by his own effort. And starting with Season 14, Ukyo’s current partner is Wataru Kaburagi, an elite bureaucrat who came to the Metropolitan Police Department on temporary assignment. As the first partner without any career of a police officer, he will face challenging cases together with Ukyo.

In the end of Meiji era, Takei Chiyo was born in a poor family in Osaka, and was sent to a theatre tea room as a servant when she was 9 years old. There, she was attracted by the world of theatre comedy. She grows up to be an actor and marries to Amami Ippei , but the war broke out and she was forced to stay away from acting for a while. However, when she comes back again, her acting in a radio drama impresses many people and makes herself one of the leading actors in western Japan.

Tatsuhiko relocates from Shinjuku to Yokohama, where he comes into conflict with Masaki Taki, CEO of the local scout company.

Talented detective Matsui is investigating a serial stalker. Four female victims seem to be connected by the same stalker and Matsui is determined to catch the assailant. When the thread of the case connects Matsui with deep scars of his heart left in the past, tragedy ensues.

The forbidden technique of "Dark Psychology" is a method of using casual conversation, hints, words, and behaviour to manipulate the thoughts and emotions of others to control them as you wish whether that be to good and innocent ends or to satisfy even the darkest desires of the heart.

A young Japanese man named Kota Tanaka (Osamu Mukai) works to raise money and then build an elementary school in Cambodia.

Risa Tanaka is a 30-something who is super sincere and hates lies, but after her mother dies and her boyfriend cheats on her, she takes up work with a human rental service. Despite reservations, she begins to play girlfriends, talent managers, and other roles for people across Tokyo who she is hired by. All the while, between experiences with her clients and life lessons from her laidback boss Teramura, her experiences begin to heal her heart while her wholsomeness rubs off on them.

The story takes place in Japan in both 1986 and 2006. The 1986 storyline follows a gamer named Daisuke who wants to confess his feelings for Kumiko, a girl he likes — all while trying to reclaim his copy of the Famicom (NES) game Mighty Bomb Jack that he lent out. In 2006, the hapless game company manager Arino-kacho struggles to complete Mighty Bomb Jack in front of fans. The storylines of the boy who loves Famicom and the middle-aged man who loves Famicom eventually merge into one.

In the year 2040, a mysterious website named Kanuma appears on the government-controlled network Olympus. Takeru, a genius psychologist discovers Kanuma is actually a site that trains serial killers. A dangerous battle begins between Takeru and the four scariest serial killers created by Kanuma.

Toru Nakanishi is in his third year at a university. He lies to his ex-girlfriend Mami Higashiyama that he is trying to get a job at a top advertising agency.