Surrounded by her hardworking husband and kind father-in-law, Ayaka eagerly awaits the blessing of motherhood. However, her happy life begins to crumble when she discovers the dark, hidden side of her father-in-law's true nature. Subjected to daily sexual harassment by him, and with her husband too busy to notice her suffering, Ayaka chooses to endure in silence. But this decision becomes the turning point that drastically alters the course of her life.