Hirai Taro?who would later become the famed mystery writer Edogawa Rampo?is an unknown author enamored of foreign mystery writers. He becomes captivated by the legendary detective Shirai Saburo, and the two embark on a journey into the world of detectives. Taro gets entangled in a complicated case by a host of eccentric individuals, including Sumeragi, the charming trader; Mimako, the enchanting proprietress of a secret club; and Junji, the disdainful newspaper reporter. (Source: nhk.or.jp)