After marrying a man with a child, Yui struggles with unfamiliar child-rearing but strives to live with her son Jun. She was supposed to have a happy married life, but her ex-boyfriend suddenly visited. 'Why didn't you marry me?' The mentally ill man who had opposed Yui's marriage demanded her body again. Jun, her stepson, had been watching the whole thing. In the end, she was even raped in front of him...
