Kenichi Onishi

April 4, 1959 in the early morning Detective Fujisawa Rokuro of the Metropolitan Police Department (MPD) was walking his dog along the banks of Tokyo's Musashino district, and found the body of a young woman. Her handbag, an express delivery envelope, and other possession were stil with her, her identity was immediately confirmed as airline stewardess Ikuta Setsuko. (dramawiki)

Koki Hirota was the only civilian hanged as a Class A war criminal by the Tokyo Tribunal after World War II. His execution remains controversial and this drama makes the case that he always worked for peace. He did not defend himself against the capital charge because he failed to stop the aggression of the Imperial Army.

Ippei Akabane is an unpopular novelist. He barely makes ends meet writing serials novels under different pen names. Daigo Kurei is on death row. He killed four women twelve years ago. During his murdering spree, he sent pictures of his decapitated victims with flower decoration to the police. The murders and photos caused widespread panic in Japan. One day, Ippei is contacted by Daigo from prison. He asks Ippei if he wants to interview him and write his memoirs.