They were once a loving couple who looked at each other, but because of an accident, he was imprisoned; and she, dragging her tired body, ran around the city. After three years of waiting and three years of suffering, he thought they would be together after he came out. But he was wrong. When he saw another man standing next to her, he decided not to sit still and wait for death. He wanted her to know the consequences of betraying him. But in the process of revenge and sadistic love, the heart that had been peaceful for a long time began to ripple...