Susan offers to help the father of Julie's baby raise the child; Bree agrees to go to Maine with Orson - perhaps for good; Karen pleads with Gaby not to tell Roy about her condition; and the loan shark who threatened Ben sets out to ruin Renee.

Susan discovers the identity of the father of Julie's baby, and Orson makes it his duty to nurse Bree back to health. When Mrs. McCluskey throws Roy out of the house, Gabrielle takes him in and is reluctant to help get them back together when he proves to be an invaluable disciplinarian to her kids. Meanwhile, after getting used to her alone time, Lynette is furious when Porter and Preston are evicted from their apartment and try to move back home, and Mike informs Renee of Ben's dire circumstances with a loan shark.

Bree's sexual escapades are getting out of hand and help comes from an unexpected source, Susan learns that Julie is pregnant, and Gabby has to deal with a situation at Juanita's school.

Karen McCluskey finds out about Bree's sex life and interferes, Bree bumps into one of her many conquests unexpectedly, Gabby shares her past with the widow of Alejandro, and after introducing them, Renee ends up paying the price when the date between her hairdresser and Lynette doesn't go well.

While in Oklahoma, Susan learns that the late Alejandro has been sexually abusing his 15 year old step-daughter, Marisa, just like he abused Gabby years earlier. Meanwhile, Bree gets an unpleasant surprise from a man she meets in a bar, Gabrielle tries to bluff her way through a business dinner in order to woo a potential client for Carlos, and Mike catches Ben doing something he shouldn't do to try to salvage his faltering real estate project.

"What's to Discuss, Old Friend" is the 167th episode of the ABC television series Desperate Housewives. It is the tenth episode of the show's eighth season and was broadcast on January 8, 2012.

Gabrielle, thinking the worst, goes on a frenzied search for Carlos after he unexpectedly checks out of rehab. Meanwhile, a desolate Bree goes on a drinking binge and finds herself in a desperate situation.

Detective Chuck Vance begins harassing Bree as his suspicions about her involvement in the disappearance of Alejandro grow; after using the murder of Gaby's stepfather as inspiration for her art school projects, Susan must find a way to graciously decline art school teacher Andre's (Miguel Ferrer) invitation to display and sell her paintings at a gallery showing; when Carlos's drinking gets in the way of his ability to work, Gaby goes to The Office in an effort to save his business from losing a multi-million dollar account; and on the occasion of their 22-year anniversary, Lynette comes up with a plan to try to salvage her marriage to Tom.

Bree is stunned when she learns who dug up the body of Gaby's stepfather; jealousy rears its ugly head when Lynette begins to spread untruths to daughter Penny about Tom's new girlfriend; Gaby and Carlos must convince Lee and Bob that Juanita and Celia aren't the bad seeds that they used to be when they want to name them in their will as guardians; and Susan desperately searches her inner self to find what inspires her in order to better her art and impress her hard-to-please art teacher, Andre.

Susan grows suspicious about Amy's affair with Andre; a delivery man tries to deliver a package for Lynette; a man speaks to a sponsor from A.A. about a blackout; the housewives are in the woods with the shovels, but they're being watched.

Tom and Lynette visit a couples counselor about their separation; Bree tries to help a city council about the homeless; Carlos is in a guilty situation; Susan is embarrassed about Andre's students being naked in class.

While at a yoga class, Lynette and Renee spy on Jane, Tom's new girlfriend; Gabrielle tries to affect change at a PTA meeting; Bree discovers what Danielle is up to; Susan battles with art class teacher Andre Zeller.

Lee has a problem with Jenny; Susan and Carlos attempt to find the people responsible for tagging the wall with graffiti; Lynette grows suspicious of Lydia and her fiancé.

Gabrielle teaches Carlos how to dance on a strip pole; Susan seeks out a punishment for feeling guilty; Renee bonds with one of the customers at a senior center; Tom and Lynette wonder why Parker was at a late night party; Bree discovers Chuck's past.

While Bree gives Chuck a ride, a smell becomes noticeable; Gabrielle seeks out a priest in order to help Carlos with his problem; Ben Faulkner, a new neighbor, meets Renee; Susan withdraws from her friends because of what happened to Alejandro.