Mother-in-law rape: The secret between me and my mother-in-law

Yuko (Shiraishi) is forced to remarry Katsuhiko, a man who took over her family's debts. Katsuhiko acts like a tyrant and treats his sons Makoto and Yuko like slaves. Katsuhiko comes home drunk and rapes Yuko. Makoto spies on his parents' sexual activities. ``I want to protect my mother-in-law...'' A mother-in-law and her son gradually communicate with each other and grow closer. However, one day, when Makoto came home from cram school, he found unfamiliar men's shoes. Who is that man? ?