Han Song Jeong, a novelist and single mother, has devoted her life to raising her three daughters — Da Ae, Da Jeong, and Da In. Now, she faces the challenge of helping them find good husbands.

Next door lives Seo Jae U, the eldest grandson of a traditional family. Though outwardly stern and conservative like his grandfather, he's also kind-hearted and dependable, earning a steady living in the corporate world. At heart, he's a genuinely good man.