Rie, who has separated from her husband and lost her job, is in despair. Her son Shinichi, worried about his exhausted mother, takes her on a hot spring trip. During the trip, Shinichi starts to see his weakened mother as a woman. He confesses, 'From now on, I want to support you,' and... Rie, leaning on her son's kindness due to her weakness, ends up having a relationship with him...
