A woman who had been treated in the past for a gambling addiction visits Rintaro. Although she claims that her symptoms have relapsed, Rintaro feels something is not right. He also wants to know about Yumeno's mental state, and a sudden incident leads him to learn about her past.
A mentally unstable woman visits Rintaro. Later, she calls the hospital, panicking about being targeted by a stalker, but when she is told that Rintaro is not available, she gets upset and hangs up the phone. Meanwhile, Rintaro's beloved dog disappears.
Ennoji is furious when he sees a photo of Rintaro and Yumeno kissing. Meanwhile, Rintaro examines Shinya, an autistic boy. While Rintaro opposes the idea of using Shinya as a research subject, Ennoji points out the photo and fires Rintaro from being Shinya and Yumeno's lead doctor.
Ennoji approves surgery for a brain tumor on the minister's son in order to gain the minister's cooperation in buying the hospital. Ennoji instructs Hasumi to perform the surgery, but Hasumi refuses. Rintaro suspects that Hasumi is suffering from psychogenic visual impairment.