Susan invites Dr. Ron to meet Karl after he finds out about their arranged marriage; Gaby and Carlos try to find a baby to adopt; in order to combat Andrew's extortion attempt, Bree joins AA.
Karl and Edie come to a crucial juncture in their relationship; Lynette tries to help Ed improve his sex life; Bree discovers new information about Peter.
Carlos and Gaby learn the truth about their baby; Paul must face the music; Lynette must give a court deposition about Bree's drinking.
When a beautiful woman is found dead, the evidence indicates a notorious serial killer known as "The Triple Killer."
Carlos and Gabrielle get temporary custody of Lily; Bree's father and stepmother (Carol Burnett) come to town to mediate; Susan suddenly finds Karl back in her life.