The beautiful and modest married woman next door is struggling through harsh debt collection days due to her deceased husband's debts. A man steps forward to protect her, stirring emotions within her heart, and their bond deepens. As they fall in love, they comfort each other's wounds and confirm their true feelings. However, a demonic threat looms behind them, culminating in the violent demand: "If you can't pay the money back, then repay it with your body!"