Yoon-mi gives birth to Ju-young's child, but his father tries to kill her to cover up his son's mistake. Having survived, Yoon-mi hides her identity under the name "Seo Hwarang" and enters Ju-young's household as a private tutor. There, she maintains a secret relationship with Ju-young while navigating the subtle tension with his wife, Yena, and begins to uncover the family's buried past.
