A modern woman accidentally travels through time, becoming a controversial princess consort in the prince's estate. The original owner never cared for her appearance, facing cold treatment from people in the estate. After her rebirth, she adjusted her routine, nurtured her body and mind, completed a self-transformation, and renewed her appearance and temperament. The traditionally aloof and taciturn cold king was gradually attracted by her resilient and lively personality. The two opened their hearts to each other, stayed together, and successively welcomed five cute children. She calmly resolved the disputes in the prince's estate, and the family supported each other, living a warm and fulfilling life in the estate.