Kim Hye-won

Baseball player Jung-gu and movie star Nam-mi are a celebrity couple who are blissfully happy in their careers and marriage. One day, a girl named Dong-ju shows up and the couple's lives are instantly destroyed. Seven years later, as Dong-ju gets involved in the death of a middle-school girl, Jung-gu and Nam-mi decide to fight a battle they have no chance of winning.

Six months ago the son of the married couple drowned. The couple, together with the teenager that their son saved, begin a journey to cope with the loss.

Lee Young Kook is a widower with three children. He still hasn’t gotten over the death of his wife. He decides to hire Park Dan Dan as a live-in tutor for his kids and he becomes attracted to her. Meanwhile, Park Dan Dan has bright and positive personality despite her harsh situation.