Susan makes a startling discovery this week, as there's a connection between her husband and Katherine, which causes her to question her relationship with Mike.

Also on the episode, Gabrielle is focused on getting Juanita in to Catholic school, while Lynette's pregnancy becomes impossible to hide.

Finally, Bree attempts to keep her infidelity a secret; and Angie uncovers the truth about Orson and Bree's marriage.