Shortly after getting married, Miyuki's life begins to change as her father-in-law retires from his active role and her husband takes over as company president, making their days increasingly busy. Just as they strive to build a happy family, an unexpected incident occurs. One night, while her husband sleeps, Miyuki is forcefully raped by her father-in-law, who seeks relief from work fatigue. From that moment on, her life takes a drastic turn. One after another, she is relentlessly tormented by her father-in-law, beginning a harrowing cycle of emotional and physical destruction. Her life plunges into a hell from which there is no return.