A mysterious stalker from Adam's past shows up on Wisteria Lane, and they have dinner. Detectives question Gabrielle about Victor's whereabouts. Danielle's baby puts stress on Bree and Orson's marriage. Lynette has a reunion with her long-lost stepfather, Glen. Susan notices Mike is behaving strangely.

For Gaby and Carlos, injuries sustained in the fire lead to a fortunate discovery. But for most, the consequences are less forgiving. Lynette and Tom vow to protect son Porter at any cost. Susan must learn to let go of the man she loves. Orson's attempt at a good night's sleep puts Bree in a most precarious, though amusing, position on the day of her big cooking demonstration.

Bree sinks to a new low to retain the best lawyer, and Gabrielle's vanity is put to the test when she makes a deal with her daughter Juanita. Meanwhile, Lynette and Tom negotiate sex, and Katherine deceives Mike to win his heart. Jackson (guest star Gale Harold) walks back into Susan's life with a proposal, and an unexpected visit sends Dave to do some bargaining of his own.

Gabrielle becomes upset when Carlos offers to have his not-so-innocent niece, Ana, come and stay with them for a while and disrupts their routine. Meanwhile, Lynette becomes angry at Tom as he desperately tries to hold on to his youth. The brutal battle of the sexes between Orson and Bree gets nasty when Orson discovers what she's been up to. Elsewhere, Detectives Lyons and Collins make headway in the arson fire.

Lynette adapts to Tom's decision to go back to school, Orson takes a beating that Bree cannot comprehend, Gabrielle's niece moves to Wisteria Lane, and Susan and MJ's lives are in grave danger at the hands of Dave.