When Yoriko Kusumoto's close friend Kanako Yuzuki faces a tragic incident, detective Shuutarou Kiba is drawn into a complex web of lies involving the influential Yuzuki family. As Kanako undergoes mysterious treatment in a forest facility, her sudden disappearance leads Kiba and Yoriko on a dark journey uncovering sinister secrets, including the shocking discovery of dismembered bodies. With the help of his partners, Kiba races against time to solve the interconnected mysteries and locate Kanako before it's too late.