A husband caused the death of a woman in a traffic accident. His wife, Riho, could not sit back and visit the victim's family. Seeing her younger brother and bedridden father, she decided to help out around the house. One day, her brother asked her to stay the night, and she had no choice but to stay, but that night, he took her body by force. Still, Riho had no choice but to comply with his desires in order to atone for her sins.