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.

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.