Following the death of his wife, Eun Sang-Chul (Lee Sung-Jae) and his four children face problems. Park Bok-Nyeo (Choi Ji-Woo), a suspicious housekeeper, appears next. Eun Sang-Chul and his children suffer many problems as a result of the housekeeper, and family members who despise each other come to experience love and reconciliation.