As Susan and Carlos bond over their feelings of guilt at the murder of Gaby's stepfather, Mike begins to think that the two are having an affair; Bree suspects that her detective boyfriend, Chuck, may secretly be investigating her; as her marriage continues to crumble, the tables are turned on Lynette when her usually relationship-challenged sister, Lydia, comes to town and announces that she's engaged; and after asking Renee to help his daughter, Jenny, go shopping for her first bra, Lee fears that Jenny is starting to bond more with Renee and becoming more distant from him.

Source: ABC