Defconn, who has recently become more interested in beauty, undergoes a transformation. Yook Jungwan decided to make a safe rooftop room. Strong steel bars and locks are basic. He's going to the market to get a dog to protect him. Kim Kwang-kyu has housewarming party and Lee Seo-jin, Ryu Seung-soo and Ok Taecyeon make an appearance. He's cleaning up and waiting for his colleagues with excitement. As soon as they got here, they threw Kwanggyu into a mental breakdown. Will Kwanggyu's housewarming end safely?