Vogel tries to reconcile Dexter and Debra's differences in therapy, but Dexter walks out. Miami Metro PD steps up its investigation of Norma Rivera's murder; they target her millionaire boss, Ed Hamilton, with whom she was having an affair, but Matthews pressures Quinn to overlook Hamilton. Dexter suspects Hamilton's son, Zach, is the real killer. Masuka asks Debra to do a background check on Niki, who claims to be his daughter. Yates abducts Vogel; Dexter and Debra reconcile as they work together to find her. Vogel manages to call Dexter, and Deb traces the location. Dexter kills Yates, and brings Debra and Vogel along as he dumps the body, explaining that he considers them family, seeing Vogel as a mother figure.