It was a family dinner w/ both Eun-sook and Cha-young and their boyfriends, They were just eating when Eun-sook's boyfriend Shan whispered to Eun-sook.
Shan: Will you marry me?
Eun-sook: What?
Then Shan got on one knee and took out a ring and proposed infront of family and friends
Shan: Infront of our family, The lady I'm ready to marry, spend the rest of my life w/ and going to be the mother of my children Kim Eun-Sook will you give me the privilage of marrying you?
Eun-Sook: OMG! YESSS!