Yun Hee sacrifices her studies and makes money to support her boyfriend's college fees, and later gives birth to a son of his. Yet the boyfriend betrays her love and falls for a rich girl. Yun Hee tries to break their relationship by getting close to the girl's brother. However, she cannot hurt her ex-boyfriend and her present boyfriend who is madly in love with her. Eventually, her boyfriend Young Guk, moves her and dissolves her hatred with true love Watch drama online for free.