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.
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.
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.
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.