Han In Sang and Seo Bom are young and in love, despite major differences in wealth and status. But all of that hangs in the balance when Han In Sang accidentally knocks up Seo Bom, setting off a comedic domino effect that reverberates throughout the snooty Han family and the modest Seo family. Between pride and humiliation, as well as love and duty, will this young couple be able to survive the storm and do what's right for their baby?