Jeong-il and Eun-mi have a son, Hun. Due to the opposition of Eun-mi's parents, they broke up and Hun has been raised by Jeong-il. Jeong-il succeeds as a singer and Eun-mi is forced to marry another man. After her husband knows her past, she divorces again. Eun-mi cannot forget Jeong-il and Hun. She waits for Hun near the school he goes. As they frequently meet each other, Hun finally realizes she is his mother. However, Jeong-il is opposed to her meeting of Hun. Hun has no choice but to go back to his father.