Hoon Nam, Jeong Eum, and Joon Soo start living together. Seung Ryul comes up with new house rules to keep the system organized. Joon Soo tells Hoon Nam that he had confessed his love to Jeong Eum, and Hoon Nam tells Joon Soo that his dating Jeong Eum. The tension between Joon Soo and Hoon Nam are high.
아슬아슬한 동거생활을 시작한 세 사람, 훈남, 정음, 준수!
불꽃 튀는 삼각관계와 밤잠 설치는 비밀 데이트까지.
티격태격 꽁냥꽁냥, 그들의 한눈팔 틈 없는 한 집 생활이 시작되는데..
