They Say It Can't Be Done

Spring is being satisfied with her husband's kindness and devotion to her husband. One day, she is embarrassed by her sudden visit to Eun-a's college junior, but she doesn't want to be her husband's junior, but she takes care of her like a younger brother. Hee-dong finally got to have sex with Eun-a, and when she finds out, she runs out of the house in shock and despair, crying and makes a phone call. What is the end of the relationship?