When To-Il was 5 years old, her mother remarried. Due to that, they left Daegu and began to live in Seoul. To-Il is now 21-years-old and a university student. She dates 19-year-old Ho-Hoon, who is her student for private tutoring. She gets pregnant by him and hides her pregnancy for five months. When she passes the stage for getting an abortion, To-Il tells her mother and her stepfather that she is pregnant. She tells them that is she having her baby and she will marry Ho-Hoon. Her mother and stepfather are not pleased with the situation. To-Il decides to find her birth father.