Noh In-ji receives her next field wife assignment. Han Jeong-won struggles with his separation from ex-wife Lee Seo-yeon and an impending second marriage.

Five years ago, after her fiancé vanishes, In-ji has a fateful meeting. In the present, she learns more about her new husband and his ex-wife.

Jeong-won slowly warms up to his new wife. Sensing a change, Lee Seo-yeon tries to make her ex crack. Meanwhile, someone from In-ji's past resurfaces.