A year after manga master Fumiya Ajima's death, 50 unpublished sketches are discovered. The sketches appear to be the work of Fumiya Ajima, but the sketches shows details from several missing women cases that occurred 35 years earlier. Fumiya Ajima’s wife (Kyoko Maya) asks the Department Head of Yukihide Ozawa (Jun Kaname) to find out if the sketches are the work of her late husband. Ex-police officer Yuki Mizuno (Nao Matsushita) receives a request to investigate the origins of the 50 sketches. Yuki Mizuno then enlists the help of Shinji Daigo (Arata Furuta), an expert of the manga world. Notes Based on the novel "Yami no Bansosha" by Takashi Nagasaki (published April, 2012 by Shinchosha Publishing Co, Ltd.).