After a scandal involving her older sister Saki and a powerful politician erupts in the media, forensic pathologist Suzune Matsubara becomes personally entangled in a new MEJ investigation when the politician is found hanging in what appears to be a suicide. However, the autopsy reveals suspicious stab wounds that contradict the scene. As political pressure mounts and the truth becomes increasingly difficult to uncover, Suzune is forced to confront her complicated relationship with her sister and the hidden meaning behind the “atmosphere” people desperately try to maintain.