Eun Sang Chul is left with four children to take care of after the sudden death of his wife. He decides to hire a housekeeper named Park Bok Nyeo to work for the family. Bok Nyeo is a bit strange, being perfect in what she does, though also unsociable, not showing her feelings or smiling because of her past. Bok Nyeo will help the family's healing process.
The female protagonists in both are strange women, who don't like to talk and are nevertheless professionals in their field of work. Both have a traumatic past which affects their dress code and ethics.