Rie is heartbroken after breaking up with her husband and being fired from her job. Her son, Shinichi, worries about his tired mother and takes her on a trip to a hot spring. A son recognizes his weak mother as the opposite sex while traveling. Rie confesses his feelings and says, ``From now on, I want to support my mother.'' Rie is weak and falls for her son's kindness, and ends up forming a relationship with her...
