Eiji Arima (Hiroshi Tachi) is a veteran detective who is about to retire. Shoichi Sera (Yuki Furukawa) is a young lawyer and Misuzu Haruna (Mari Hoshino) is a prosecutor. These 3 people belong to the Gohan Taisakushitsu (‘Misjudgment Countermeasure Office’). Their job is to reexamine death-row convictions and check to see if anyone were falsely convicted.