Kiyoka Miyajima (Miki Yanagi), who died suspiciously even after serving as a poisoner for the popular singer Eiji Kitami (Ryo Yokoyama), and Aida, the president of the office that actually added potassium cyanide to the drink of Eiji. Mikihiko (Ino Manabu). The chief offender who colluded with the two was Kaede Shimazaki (Aoi Morikawa), the daughter of the next presidential candidate, Toichiro Shimazaki (Shigemitsu Ogi), and she must have suffocated Kitami and stabbed her death--. Takashi Yuki (Naoto Omori), an anatomist at the "Japan Institute of Forensic Medicine," convinces with the blue fibers found in Kitami's throat. However, Aida, who holds the key to the truth, dies at that point! (Source: Amazon Prime)