
While investigating a scandal involving a pharmaceutical company, Zen Seizaki, a public prosecutor from the Tokyo District Public Prosecutors Office Special Investigations Team, discovers an unusual document covered in bloodstains with the letter F written all over it. Seizaki pays a visit to one of the witnesses in the investigation, but stumbles across an unbelievable situation.
While investigating a scandal involving a pharmaceutical company, Zen Seizaki, a public prosecutor from the Tokyo District Public Prosecutors Office Special Investigations Team, discovers an unusual document covered in bloodstains with the letter F written all over it. Seizaki pays a visit to one of the witnesses in the investigation, but stumbles across an unbelievable situation.
Seizaki struggles to accept the sudden death of a friend and concludes that he must have been killed in retaliation by a politician running in the mayoral election. With help from Kujiin and Hanta, Seizaki interrogates a woman he identified as an important witness in the investigation.