"Oh My Baby" is a TV series about a 39-year-old single woman who doesn't want to get married but only wants to have children, and who seeks unreasonable happiness with three men who appear around her when she decides to give up love and marriage. In the play, Jang Nara plays the deputy director of the baby magazine "The Baby", Jang Ha-ri (transliteration), a workaholic who has not been in love for more than 10 years. In order to have her own child, which cannot be given up in life, she begins to challenge some unreasonable things.