The ninth story of Society Game. Madong finally won victory after a long defeat! However, what happened after victory was the division of the team? Leaders Lee Byung Kwan, Jeong In Jik, Lee Hae Sung, and the suspicion and discord between the sticky 3-member alliance! MJ Kim’s myth is over? An important leader election ahead of the exchange of residents! Will the leader of Nopdong be replaced? Is it 'good'? Is it 'bad'? Double-edged sword! Second 'Resident Exchange', Residents' anxiety over resident exchange and escalating conflict! Intimate and stealthy notice operation for the best scenario unfolds! The ninth Challenge "Mosaic". When the challenge begins, all residents start stacking 10 dice, and when all dice are stacked, the original mosaic is revealed. "Mosaic" refers to a number from 1 to 10 horizontally and from A to J vertically. It is a picture consisting of a total of 100 cells marked with alphabet First, after the original mosaic is released for 10 seconds, the number of different parts will be announced. When the modified mosaic is revealed again, residents take turns answering the changed parts with numbers and alphabetic coordinates. Whenever a question is over, the wrong answerer must stack 1 dice for each incorrect answer. If the dice collapse, the team with the remaining residents will win the game. Madong’s winning streak vs. Nopdong’s victory! What will be the result? And who will be the dropouts and who will fall victim to fierce survival instincts? (Source: TVING)