1x1 - Once Again

Young Dal and Ok Boon are parents to four grown children, Joon Seon, Ga Hee, Na Hee, and Da Hee. The two eldest ones live at home after getting divorced and the youngest is about to be married soon. The second daughter, Na Hee, is a pediatrician who is married to a colleague. She is the pride of her mother, but her life isn't as stable as it seems.