Won Joon and Kyung-Sik are surprised that the person who raised the child is immature sister. Inexperienced as if he had resigned everything, telling them all that they have been through, and asking for forgiveness. Mi-myung takes full responsibility for his younger brother's premise, and the premature-mature who knows nothing is wandered by feelings of conscience. . Meanwhile, Jung-ah spends time alone with her son, Sumin, and tells the truth. . (Source: SBS)