The infamous gang, Dreamcatcher, have been causing trouble in Gangnam for three long years. The police have been trying to catch this villainous group, who's been leaving messages for the police to tease them. But something more dark goes on underneath, covered by Dreamcatcher's crimes. As the girls try to live a normal life, slowly their personal lives start to intervene with their work. Will someone find out the identities of Dreamcatcher? Or will they find something else?