Come in, Stranger

After a break-in on Wisteria Lane, Susan feels vulneralbe and accepts a date with a policeman after Mike shows her no interest. Bree begins to bond with Zach, Mary Alice's troubled son, after Rex takes the kids away for the weekend. Meanwhile, Lynette and Tom try to get Porter and Preston into a prestigious private school, and Carlos' mother visits which puts a strain on Gabrielle's hidden affair with John.