Mike Delfino is questioned about Mrs. Huber's murder by police and is arrested. John's friend, Justin attempts to blackmail Gabrielle with his knowledge of their affair. Meanwhile, Tom wants a big promotion, but Lynette fears that she'd be home alone with the kids more than ever and tries her best in discouraging him in taking the job. Also, Bree is shocked when she finds a condom. Zach Young plans a pool party for the teens on Wisteria Lane, and things get out of hand. Finally, someone comes out of the closet.

Lynette learns that no good deed goes unpunished when she momentarily befriends the mean Mrs. McClusky. Susan's mother decides to try and jump start her and her daughter's love lives. Andrew talks to a priest about his feelings, and tells him of his shocking plans for his mother, Bree. Gabrielle has her credit card declined in an upscale restaurant, and Carlos sends Gabrielle a big message about what will happen if she leaves him.

Tom tries hard to bond with his new boss and tries to get Lynette to help him out. Meanwhile, Susan gets some help from Edie and Karl on her situation of getting health insurance before her upcoming surgery. Gabrielle becomes very attached to a temporary Chinese immigrant housekeeper who is staying with Solis' after being rescued by another slave owner employer. Lastly, Bree tries to uncover more about the Applewhites by sneaking into their house to meet Caleb.

Edie thinks that Karl is going to pop the question after she finds an engagement ring and prenuptial agreement in his briefcase. Also, Gabrielle and Carlos learn she is highly unable to conceive a child again because of complications caused from her recent miscarriage. Lastly, Bree's problem with alcohol intensifies with the notice of Lynette after Bree babysits her children.

Carlos and Gabrielle decide to adopt, but the process comes to be a lot more difficult than either had expected. Susan finally has her surgery as she finally has medical insurance. Meanwhile, a showdown between Bree and her son Andrew lead to a full out war between mother and son. Also, a dying Noah Taylor learns more about Paul Young and his biological grandson Zach. Lastly, Tom is having more difficulty at the job when having to take orders from his boss and wife Lynette.