Jae Hyeon goes to the old market, where he has special memories; even though it has been so long, people at the market remember him and his family.
One out of ten ordinary Koreans lead a single lifestyle, and a third of all Korean celebrities live alone. Celebrities who live alone share their personal interests and methods of their lifestyle.
Jae Hyeon sweats a lot, and it seems like it's not just because of the hot weather; he goes to the hospital and the result is shocking; Dae Ho goes to help his younger brother move into his new house.
The Good Brother Special continues; the members and their older brother guests play games to decide who will get on the zipline ride in Mount Yeongin; they take a vote to determine who was most loyal throughout the day.
As they have worked hard for 2023, the members get to go on an incentive trip as a Christmas gift; they are divided into three pairs as travel buddies; by completing the given missions, they get hints about their destinations.