Synopsis

At a lakeside nursing home, a 100 year-old man is murdered. Hamanaka Keisuke of the Saiko Police Department along with veteran detective Isami relentlessly interrogate suspects from the case. As the case becomes increasingly complicated, Keisuke develops a twisted desire for control over Kayo, a caregiver whom he meets during the investigation. Meanwhile, Ikeda Yuki, a weekly magazine reporter following the case, discovers that the murder is connected to a drug case that has been covered up by the police department…