Soon-jae feels the need to take special measures, as Min-yong refuses to play Korean chess with him, Joon-ha just keeps watching television when he comes home, and Min-ho and Yoon-ho continue to quarrel with each other. The special measure is to have everyone wear uniforms with back numbers referring to each person’s rank in the house. Meanwhile, Yoo-mi and Beom meet the new practice teacher Kwon Oh-joong as they stop by the broadcasting room. Yoo-mi is confident that Oh-joong is a ghost as she finds his picture in the notebook she found cleaning the broadcasting room the day before.