Susan wrestles the gun away from Zach, who runs away after unsuccessfully attempting to kill Mike. Mike refuses to press charges and confesses that Zach is his biological son, forcing Susan to end their relationship, as she cannot be around Zach. In the wake of Rex's death, Bree must suffer through the company of her disrespectful mother-in-law, Phyllis, who claims that Bree made Rex miserable during his last years. While in jail, Carlos refuses to forgive Gabrielle for her infidelity, despite h
Susan is dismayed to see that her ex-husband, Karl, has moved in with Edie. Meanwhile, she and Mike continue their relationship on a casual basis. The doctor treating Rex finds the note he wrote before he died and hands it to the lead insurance investigator. When Phyllis sees Bree seeking comfort in George, she implies to the insurance company that Bree had a motive to kill Rex. Fed up with having to bring bills to Carlos in jail, Gabrielle demands control over their finances. Lynette releases a
After discovering the insurance investigators' suspicion that Rex was poisoned, Bree sends Phyllis away and takes a polygraph test to clear herself of suspicion of killing Rex. She urges George, who the police suspect is her accomplice, to take one as well; both pass. Susan is jealous when she learns that Edie and Julie are entering the church family talent show. Betty deals with her secret prisoner's near-escape while Matthew tells her to be nicer to the neighbors. Mike visits Felicia in an att
Gabrielle hires a successful lawyer, the handsome David Bradley, to help Carlos get out of jail. Andrew acts out when Bree tries to incorporate George into their lives, prompting her to send him back to a youth detention camp. Lynette sees the toll her long hours have taken when Parker creates an imaginary friend, Mrs. Mulberry, who is somewhat of a surrogate mother. When Parker's behavior and protection of Mrs. Mulberry becomes more demanding, Lynette intervenes by throwing Mrs. Mulberry's umbr
Susan learns that her agent and longtime friend, Lonny, has been embezzling her money. Susan chooses to remain loyal to Lonny, but upon discussing the matter with Mike, discovers that he is less willing to forgive and trust people. Hoping to make working with her boss, Nina, easier, Lynette takes her out drinking. However, Nina soon begs Lynette to go to the bar every night, causing Lynette to miss valuable time with her family. Carlos only agrees to hire Bradley as his lawyer after Bradley thre
After discovering that Paul Young has returned to Wisteria Lane, Susan calls the police to report him for Martha Huber's murder. However, the police dismiss Susan's claim when Mike denies hearing a confession from Paul. Bree and George attempt to consummate their relationship, but Bree continually breaks into hives; Dr. Goldfine suggests that her sudden breakouts occur because she still feels she is married. Lynette buys a new suit after finding out that she is the butt of jokes around the offic
Lynette arranges a weekly play date between her and another couples' children so she and Tom can have some downtime. They soon discover, however, that the other children's parents have a secret hobby of making sex tapes. George purchases a house in the neighborhood and proposes to Bree, who hesitantly accepts the marriage proposal; George later attacks Dr. Goldfine when he convinces Bree to reconsider the proposal. Susan and Karl drunkenly sleep together after he and Edie break up. When Susan ex
Gabrielle suffers a miscarriage after her fall and represses her grief; Carlos hires an ex-con to help Gabrielle deal with the loss. Susan's mother admits that Susan's biological father is a local businessman, not a deceased war veteran. Lynette worries that her children will not react safely when approached by a stranger. Bree receives a visit from George's ex-fiancé Leila, who warns that George is dangerous and extremely possessive. Bree later publicly breaks off her engagement with George whe
Susan introduces herself to her father, Addison Prudy, at the hardware store he works at, but he is reluctant to build a relationship with her. Carlos receives early parole with the help of Sister Mary Bernard, who poses a threat for Gabrielle's marriage, advising Gabrielle and Carlos to seek an annulment. Lynette is promoted after Nina is fired; Nina warns Lynette to "say goodbye to the kids" due to the long hours. Bree suspects that George attacked Dr. Goldfine and calls the police. After the
Addison's wife sees him and Susan together and thinks he is having an affair, forcing Susan to tell her that she is his daughter. Lynette fights for office daycare so she can see her children more often. Gabrielle thwarts Carlos' attempts to do charity work with Sister Mary by neglecting to inform the nurses about his allergy to eggs, causing him to have an allergic reaction to the yellow fever vaccine. Zach returns home and reunites with Paul, who does not inform him that Mike is his biological
Lynette is upset when Gabrielle kisses Tom at a neighborhood party, but Gabrielle insists that it was only a joke. After Bree voices her disapproval of Andrew's homosexual relationship, Andrew threatens to tell the police about Bree's role in George's suicide. Betty and Matthew find that a private investigator hired by the Fosters has broken into their home, fell through their stairs, and accidentally shot himself. They plan to dispose of his body and car, but accidentally lock the keys inside t
Susan fakes medical symptoms so she can see Dr. Ron McCready and ask him on a date. When she comes clean, he is angry because he could not figure out what her ailment was; however, he did find that she has a wandering spleen. Lynette learns that Tom has thought about having a second wife and family if she were to die. Gabrielle finds out that an ex-boyfriend has posted nude pictures of her on the internet, and asks Carlos to manipulate him into giving the photos back. Mike visits an ailing Noah
After discovering that Sister Mary has returned to the United States, Gabrielle tells Father Crowley that Sister Mary and Carlos have had sex, leading to Sister Mary being transferred to Alaska. Gabrielle later informs Carlos that she wants to start trying for a baby again. Susan is nervous about being Dr. Ron's first splenectomy patient because of their new relationship. Tom is given a job at Lynette's firm despite her reluctance. Bree finds out about Matthew and Danielle's relationship and dis
Carlos and Gabrielle take in Xiao-Mei, a former slave who is faced with deportation, as their new maid. Susan finds out that she does not have health insurance, and Edie suggests marrying somebody quickly to get a health plan. Karl ultimately agrees to remarry Susan so she can use his benefits, but they both agree to keep Dr. Ron and Edie in the dark. Lynette is dismayed when she sees Ed taking advantage of Tom during a series of office hi-jinks. Bree sneaks into Betty's home to talk to Caleb. L
Bree babysits Lynette's children and passes out drunk, leading Lynette to conclude that she has a drinking problem. Gabrielle's mother, Lucia, shows up unexpectedly and offers to be their surrogate mother, as Gabrielle can no longer conceive children. Gabrielle, still angry at her mother for not protecting her against her sexually aggressive stepfather, kicks her mother out, and Carlos suggests that they adopt instead. Mike tells Paul and Zach to leave town before Noah can track them down. As Su
Felicia returns to Wisteria Lane, while Paul is arrested and almost killed by Noah's hired thugs. After Paul is released, Zach agrees to meet with Noah, during which he instructs Noah not to hurt Paul again. Gabrielle and Carlos' visit to an adoption clinic goes awry when Helen Rowland informs the adoption clerk about Gabrielle's illegal affair with John, after which Gabrielle and Carlos seek an adoption lawyer. Tom struggles for power in his marriage both at home and at the workplace. Dr. Ron f
Dr. Ron breaks up with Susan after he finds out that she lied about being in love with Mike. Gabrielle and Carlos find an attractive mother to adopt from; however, the woman, Libby, has not yet told the father that she is giving the baby up. Lynette takes issue with a woman in her office who is still breast-feeding her five-year-old son. Matthew wants to buy Danielle a present for her birthday but cannot because he does not have a job. Caleb expresses an interest in Danielle and hides in her bed
Bree takes an interest in Peter, who is also a recovering sex addict. Lynette is compelled to give a deposition in Andrew's emancipation and informs Bree that she intends to be honest with the lawyer, much to Bree's dismay. After discovering that Andrew lied about being abused by his mother, Lynette protects Bree and testifies in her favor. Dr. Ron tells Edie about Susan and Karl's sham marriage, after which Karl agrees to throw Edie a lavish wedding. At Edie and Karl's engagement party, Felicia
Bree's parents show up on her court date with Andrew and have it postponed. They offer to take Andrew back to Rhode Island, sensing a disconnect between Andrew and Bree, but back out upon finding out that Andrew is gay. Gabrielle adjusts to motherhood after she and Carlos are granted temporary custody of Lily, the newborn baby, after the baby's birth father was unable to attend the court proceedings. Parker begins to ask about sex. Felicia continues to antagonize Paul by replacing his lighter fl
Lynette tries to help her boss Ed with his marital woes by sending dirty instant messages to his wife. When his wife finds out, she demands that he fire whoever is responsible. He blames Tom, as Lynette is too valuable to lose. Karl leaves Edie, claiming there is another woman; Edie hires a private detective to find out who Karl's other woman is. Bree offers to be Peter's sex addiction sponsor, hoping to build a relationship. Betty sells the house without Matthew's knowledge. To convince his mot
While dealing with having baby Lily taken away, Gabrielle and Carlos ask Xiao-Mei to be their surrogate so she can avoid deportation. Ed hires a forensic accountant, who uncovers evidence in Tom's expenses that he may be having an affair in Atlantic City. Betty discovers that Matthew set Caleb up before she poisons him, and she locks Matthew in Caleb's old cell as punishment for making her almost murder her son. Susan is blackmailed by Edie's private investigator; unable to come up with the mone
Susan tries to elicit Edie's confession for burning down her house on tape. Edie catches on and chases Susan, but falls and is attacked by a swarm of yellowjackets. Lynette follows Tom to Atlantic City and sees him with another woman. When Tom returns to Fairview, he finds that Lynette has taken the kids and left. Gabrielle worries that Carlos is prioritizing Xiao-Mei's needs over hers, only a few days into the pregnancy. Reeling from recent events, Bree breaks down and causes a scene at Daniell
Flashbacks take us back to to moving-in day on Wisteria Lane for Bree, Lynette, Susan and Gabrielle and how Mary Alice brought them all together. Back in the present, Bree gets some frightening news. Susan moves into a trailer after her house was burnt down. Lynette and the kids are staying at a hotel. After seeing a report on the news, Gabrielle believes Carlos died. Paul begs Zach to get him a good lawyer via Noah.