On her engagement trip with her fiancee, the novelist Mun-ho, Yeon-ji is unable to resist giving herself to Dong-wu, Mun-ho's friend. When he sees a hickey on Yeon-ji's neck, Mun-ho is deeply distressed and the two break up. But when Mun-ho gets in a car accident, Yeon-ji is by his side with sincere tears of love in her eyes and they get married. Meanwhile, Dong-wu asks Eun-ju,......