After Bong Ja tells Gwang Nam and Gwang Sik the truth, they get shocked and feel terribly sorry for Cheol Soo. At the same time, Gwang Sik decides to meet her birth father. Meanwhile, Byun Ho, Ye Seul, and Ki Jin plan to throw a surprise birthday party for their one and only father-in-law, Cheol Soo, but he is nowhere to be found.
