After holding Susan hostage and unsuccessfully trying to kill Mike, Zach runs away. Mike confesses Zach is his biological son, causing Susan to break up with him. After Rex's death, Bree has to deal with her mother-in-law. In jail, Carlos refuses to forgive Gaby for cheating. Lynette gets a job at an advertising agency. Betty Applewhite and her son keep a prisoner in their basement.