Due to her husband Yoji's injury, wife Yukari started a part-time job. She served her husband as he continued his rehabilitation, but her son caught a glimpse of her in that act. From that day on, the son began to become aware of Yukari. Nostalgic for the ballroom dancing she and her husband had started long ago, she invited her son, but he pushed her down and creampied her. Unable to turn back, Masato kept sneaking up on Yukari behind Yoji's back. Eventually, Yukari and her son...