Ityeojin Yakonnyeo

After one-night sleep, Chan-Yeong totally forgets Hye-Jin, his fiancée and everything that is related to her. The wedding ceremony has to be postponed due to his memory loss. Heartbroken as Hye-Jin is, she has to brace herself and face the suspicious gaze from her mother-in-law, the indifference of the former loving fiancé, and the schemed woman who's trying to use the opportunity to break their marriage...