This film depicts how the jealousy and envy of human begins can lead to murder, the worst crime a person can commit. Two young women, So-young and Hye-ran, are old friends but not close confidantes. So-young is happily married and is r ecognized by her community as a good citizen. On the other hand, Hye-ran has a complex and envies So-young's happiness. As time passes, Hye-ran burns more and more with jealousy of So-young. She plans to destroy So-young's happiness and her life. So-young has a good husband (Chung-min) who dearly loves her. The first step to ruin So-young's happiness is to seduce Chung-min, her loving husband. Once she has her way with him, what will happen?