 When Vince announces that he has found a way to identify the marina where the Bay Harbor Butcher moors his boat, Dexter attempts to destroy some of the evidence.Debra starts dating Gabriel (Dave Baez), whom she met at the gym.LaGuerta returns to her job as lieutenant following the mental collapse of Pascal, who suspects her fiancé of cheating; it turns out that he was cheating on her with none other than LaGuerta.