One day, Yukiko, her husband Saburo, gets into an accident and heads to the hospital. The hospital she goes to is one where Yukiko used to work as a nurse and where Saburo's friend Sasagi is the director. Saburo had specifically chosen this hospital. However, Yukiko had a deep relationship with Sasagi in the past, and it was a past she wanted to forget, as Yukiko was embraced by Sasagi, who was married at the time. However, when Sasagi meets Yukiko again after a long time, he makes Yukiko recall their relationship that day. In the hospital room where her husband is sleeping...