Maisy Gibbons (Sharon Lawrence) returns and her secret life intersects with Bree's. Gabrielle gets a taste of her own medicine when Carlos confesses in jail. Susan plans to take her relationship with Mike to the next level.
Gabrielle organizes a Halston fashion show for charity highlighting the ladies of Wisteria Lane. John's mother, Helen Rowlan (Kathryn Harrold) thinks her son is sleeping with Susan and not Gabrielle, but Gabrielle soon confesses.
The aftermath of Bree's son Andrew running over Carlos' mother. Susan grows suspicious of Mike's intentions of moving to Wisteria Lane. Lynette reaches the breaking point in her addiction to ADD medication.
Edie crashes Mike's dinner date with Susan; Gabrielle realizes her gardener is taking their fling too seriously; Bree forces Rex to go to therapy; Lynette resorts to drastic measures to keep her kids in line.
Lynette: Now listen to me, you are going to behave. I will not be humiliated in front of the entire neighborhood. And just so you know that I'm serious, I am. (She pulls out paper) Porter: What's that? Lynette: Santa's cell phone number! Preston: How'd you get that? Lynette: I know someone who knows someone who knows an elf. And if any of you acts up, so help me I will call Santa and tell him you want socks for Christmas! All right, are you willing to risk that!?