After five years of absence , Edie returns to Wisteria Lane with her mysterious husband , Dave ( Neal McDonough ) , who seem to have a calming effect on his ill @-@ tempered wife . Later , Dave receive a phone call from Dr. Samuel Heller ( Stephen Spinella ) , who remind him that monthly check @-@ ins are a condition of his release . After the conversation , Dr. Heller review a taped therapy session in which Dave threaten to get revenge on the man who destroyed his life .