Desperate Housewives

Convinced Carlos is having an affair, Gabrielle places baby monitors in suspected places. While visiting Lynette, Penny's baby monitor acquires a frequency coming from the Solis' home which broadcasts Carlos and Xiao-Mei getting it on. Gabrielle rushes over where she sees Carlos and Xiao-Mei making love in the car inside the garage. Gabrielle then throws Carlos' clothes out the window and recommends he find himself a new living arrangement. When he points out that she told him to have an affair, she retorts, "yeah, but not with my baby's mother". When Xiao-Mei asks if she can leave, Gabrielle says that she cannot leave until she gives birth to her (Gabrielle's) baby. Xiao-Mei then vents angrily in Chinese and Gabrielle tells her that if she does not comply she will make it the "worst nine months of her life".

All of Noah's assets quickly go to Zach who is the heir apparent. When Paul calls and asks about the money, Zach says Noah would not give it to him. Paul becomes more abusive and demands that Zach come visit him. Zach says he is busy and hangs up. Zach then hands his phone to his new retainer and tells the man to get him a new phone with a new phone number.

Lynette agrees to meet Nora, the mother of Tom's illegitimate child. Quickly, the two are at odds and have nothing in common. Nora then threatens to sue Tom for years of child support. Lynette and Tom quickly come up with a settlement, however, Nora is still not happy. Nora surprisingly announces that she has purchased a home in Fairview and will be moving in. Nora then tries to settle her animosity with Lynette who is still angry with her.

Mike soon finds out and gets into a fight with Karl since Karl knew he was planning on proposing to Susan. When Susan appears to be more concerned with Karl than with him, he becomes upset with Susan that she would accept a house from Karl when she would not accept an offer to stay at his place. Susan decides not to move into the house after the news that Mike was going to propose. Instead, she invites him for a romantic dinner where she will propose. On his way to meet Susan, he is followed by Orson who purposefully runs over him after he stops to buy roses. He is left lying in the road, unconscious.

Bree is put into restraints and is forced to remain in bed. During another session, she throws the contents of a miniature Zen sand garden at the doctor and makes a run for the door. Bree is seen by Orson who looks on without intervening.
Matthew and Danielle, in need of money, return to Wisteria Lane to rob Bree's safe. When Danielle learns that the combination has been changed, Matthew returns to his home for a sledge hammer. Matthew is soon confronted by Betty who knows that it was he who killed Melanie and not Caleb. Matthew leaves and breaks into the safe while Betty calls the police. Bree soon catches both of them and warns Danielle that Matthew is a killer. Danielle just takes this as more of her mom's craziness. Matthew then puts Bree at gunpoint and threatens to kill her if she does not move. Bree comes closer and tells him that if that's what it takes to show her daughter what he is, then fine. Before Matthew pulls the trigger, he is shot by a police squad and killed. Matthew's body is then wheeled into an ambulance as the neighborhood watches. The following morning, Betty and Caleb leave Wisteria Lane for good. Bree is then visited by Orson who presents her with flowers and congratulates her on the escape. Pleased with his kind gestures, Bree invites Orson into her home.

The episode also flashes back to other pivotal moments in the lives of the wives prior to Mary Alice's suicide:

2001: Rex has his prescriptions filled by his pharmacist (and future murderer) George Williams. Bree compliments George for having a solid upbringing as she argues with Rex about Danielle's hair color.
2004: Penny Scavo, Tom and Lynette's fourth child is born.
2004: Gabrielle successfully seduces John Rowland, her gardener after being angered at Carlos' continued absences.
2005: Betty Applewhite prepares to flee from Chicago after discovering that Caleb may have supposedly murdered Melanie Foster / Matthew murders Melanie.