Rintaro Hino (Masato Sakai), a doctor in the psychiatry department of Enan University Hospital, has superb medical skills and unparalleled enthusiasm and compassion. He works hard for his patients and dares to break the rules. His approach is supported by his childhood sweetheart, surgeon Yuriko Mizushima (Michiko Kichise), nurse Kaoru Kiryu (Yuki Uchida), intern Yoko Kawakami (Rin Takanashi), and others, but he is also rebuked and opposed by the head of the psychiatry department, Takahiro Miyagawa (Keishi Nagatsuka). As a psychiatrist, Rintaro is also under great pressure, so the psychological clinic of his predecessor Shigeto Araki (Kenichi Endo) becomes the best place for him to vent his anger. During a routine social event, Rintaro met the beautiful geisha Yumeno (Yu Aoi). Yumeno is elegant, smart and cute, and behind her sweet smile is a dark world that ordinary people can hardly see. Rentaro noticed Yumeno's abnormality, and out of love, or perhaps out of his duty as a doctor, he couldn't just ignore it...