intro:This drama is adapted from a comic of the same name and tells the story of a pure love that begins in school, leading to marriage and eventually a happy family. However, the protagonist discovers that her husband has been having an affair for 15 years. She decides to take revenge on her husband and the mistress. As part of her revenge plan, she utilizes the mistress's high school son, grappling with feelings of guilt and unexpectedly budding emotions. The husband’s long-standing affair gradually starts to unravel... The love and betrayal in this four-way relationship lead to new lives for each character...