Ok Jeong, Chun Dae, Chun Ji, and Moon Sook follow the GPS tracker to find out where Sun Hee is. They arrive at Woo Jin's house, and their suspicion of her having an affair is confirmed. However, Sun Hee pretends to be Do Hee and counter-attacks them. She even threatens to call the police on them for breaking in.
쌍둥이 동생 도희의 삶을 대신 살고 있는 선희에게 계속해서 뜻하지 않은 사건이 터진다.
한편 우진은 선희에게 셰어하우스에서 나가줄 것을 요구하는데...