It tells the story of Meidian, who implements the pure love that started as a student, gets married and has a happy family, but discovers that her husband has been having an extramarital affair for 15 years.She decided to take revenge on her husband and mistress.As a revenge plan, Meidian took advantage of Xiaosan's high school student son. With a sense of guilt and unexpected feelings for him, her husband's cheating plan for many years began to be slowly revealed...The four-cornered relationship of love and betrayal, their new lives in the future are...