It's wedding day for Bree and Orson but things don't go quite as planned. Meanwhile, the body of a dead woman believed to be Orson's ex-wife is recovered, which interrupts the reception. Susan goes on a date with Ian, but trouble ensues when his in-laws show up at the restaurant. When Nora breaks up with her boyfriend, Lynette decide to hook up Nora with someone. Edie lets her 18-year-old nephew Austin come live with her for some time. Lastly, Xiao-Mei goes into labor.

The divorce between Gabrielle and Carlos reaches new levels of bitterness. Susan is determined to jog Mike's memory, and realizes Edie has been posing as his girlfriend since he woke up. Tom decides that his dream is to open a pizza parlor, and Lynette is not delighted. Bree tries to break up Danielle and her history teacher, who's been having an affair with her. Meanwhile, Mike's phone number is discovered on a dead woman's body.

Susan professes her love for Ian. Gabrielle and Carlos try to rekindle their love. Bree is confronted with Orson's past. In the meantime, Nora and Lynette go to war.

Lynette returns home from the hospital. Gabrielle decides to get back into modeling and travels to New York. Susan comes home to find Austin and Julie making out on her couch. Bree meets her antagonistic mother-in-law Gloria, with whom Orson is in a quarrel. Detective Ridley has Mike's house searched.

Gabrielle takes a shot at training potential young beauty queens. After discovering a wall of photos of half-naked boys in his basement, Lynette is convinced her new neighbor Art is a pedophile. Susan stays at Ian's house and clashes with his butler. Carlos asks Mike if he could stay with him for a while. With his mother living in the Hodge house temporarily, another part of Orson's past is revealed.

Tom and Lynette try to make Kayla feel like a part of the family. Alma Hodge decides to pay Orson and Bree a visit. Susan visits Mike in jail to tell him about the lawyer Ian got him. Gabrielle accuses Carlos of trying to sabotage her relationship with Bill. Bree organizes a dinner party to show Susan that Alma is alive.

All of Wisteria Lane gathers at Pizzeria Scavo for the grand opening event, while one resident meets an untimely fate and another accepts a marriage proposal.