Seo Eun Young and Kang Jung Woo are happy, engaged-to-be-married couple. Suddenly, when Eun Young was pregnant, Jung Woo abandoned her to marry Na Kyung, a rich woman. The new couple then went to study abroad for 5 years.
Meanwhile, Eun Young works as a nurse in a hospital. Kang Hyung Woo, who is one of her patients, becomes obsessed with her. Kang Hyung Woo’s mother, Madam Shin, a department store owner, then wants Eun Young to marry her son.