剧情简介 A series of disappearances takes place in Gangnam, Seoul. Jae-Hee (Bibi) works for a famous bar in Gangnam and she knows a secret involving the series of disappearances, but she also disappears. People that become involved with the case include Detective Kang Dong-Woo (Jo Woo-Jin), who was demoted and then returned to work, Gangnam outlaw Yoon Gil-Ho (Ji Chang-Wook), who put himself on the list of suspects, and Prosecutor Min Seo-Jin (Ha Yoon-Kyung), who works on this case as an opportunity to raise his status. They chase after the truth of the case for different reasons.