Han Song Jung (Kim Mi Sook) is a novel writer. She is also a single mother who has raised three daughters: Da Ae (Hwang Woo Seul Hye), Da Jung (Park Se Young) and Da In (Go Woo Ri). She struggles to let her three daughters to marry good men.
Meanwhile, Seo Jae Woo (Lee Sang Woo) is the eldest grandson of the family next door, who earns steady income as a corporate drone. Although he’s inherited his grandfather’s brusque and conservative nature, he’s also received kind-heart qualities from his father, and is intrinsically a good man.