Eight years into marriage, she maintains a harmonious household with her husband while raising a four-year-old child. Her husband, whom she met in a university club, is sincere and kind, always helping with cooking and housework. Yet, as days of routine life pass, the married woman's heart gradually begins to change. Small frustrations turn into curiosity, and she lies to her husband, claiming she's going on a trip with friends. On a sleepless night filled with tension, she thinks of her family as she is embraced by a man for the first time. Emotions born amidst ordinary life lead her into uncharted territory.