Life is great after graduation.Seoyeon,33,has a happy life with her half-sister Hyerin,18.Seoyeon work as a kindergarten teacher.The kids love her so much that the kindergarten slowly turning into a daycare. Seoyeon moved on already,after years of heart break,she decided to face forward and focus on the present. obviously her friends help her.Xinyu,33 and Sohyun,33, got married to eachother and open a restaurant.Nakyoung,33 and Yubin,32,somehow connected to eachother and got married.Mayu,32,moved back to japan and married to a beautiful woman, though she didn't introduce her to her friends yet. Life was good actually, though seoyeon would believe she would die alone.However,ever since she met a kid named Ji Suhyeon,her life seems to take a turn. Part 2 of heart entwined