Baffling serial killings unfold in which the victims are tied up and left to starve. Tone was just released from prison after finishing his sentence for another crime, and he surfaces as a suspect but detective Tomashiro can't nail down conclusive proof.
16-year-old Haruka lost the people she loved the most in a fire. Haruka is also physically and emotionally wounded from the fire, but she still dreams of becoming a pianist. She takes part in an upcoming competition. Inauspicious incidents then occur around her. Musical student Yosuke, who teaches piano to Haruka, tries to solve the case.
A series of suspicious death cases take place. All the victims were terminal patients. Detective Hayato Inukai (Gou Ayano) and Detective Asuka Takachiho (Keiko Kitagawa) investigate the case. Through their investigation, they learn of a person known as "Dr. Death." He performs euthanasia by request. Meanwhile, Detective Hayato Inukai’s daughter Sayaka requests the help of Dr. Death. Sayaka suffers from a severe kidney disease.
