Эпизоды

Rita's estranged mother visits and senses something is wrong with Dexter. Masuka thinks he's developed a lead in the Bay Harbor Butcher case, which has Dexter concerned. Angel's interrogation of a witness crosses a line. Dexter's Narcotics Anonymous sponsor (Jaime Murray as Lila) poses a threat to Rita.

Dexter begins to have second thoughts about Lila's suitability as an NA sponsor and Rita encourages him to find someone else, preferably male. While the investigation into the Bay Harbour Butcher continues, Dexter hears that his forensic colleague Vince may have come up with a way to identify where the killer moored his boat. Dexter's attempt to destroy the evidence doesn't quite go as planned. Debra finally hooks up with the man she has been ogling at her gym. Dexter meets Rita's mom who is in town visiting. She tells Rita that there is no doubt in her mind that Dexter is hiding something.