Dexter has his sights on a new victim: a murderer that just happens to also be a used-car salesman. Sounds about right to us!
Meanwhile, Dexter's can't bring himself to lie to Rita about his late-night activities, which has her thinking that he's a drug addict. Dexter actually admits to this because, hey, he can't tell her the truth! She threatens to leave him if he doesn't commit to a 12-step program to deal with his supposed addiction. While in this recover, Dexter meets a sexy, mysterious woman named Lila.