The team are called to investigate a controlled bombing that caused the deaths of four seemingly unconnected individuals.
Residents of Wisteria Lane are faced with deadly threats; Susan realises she is about to lose someone she loves; Katherine Mayfair's secrets are revealed.
The ladies of Wisteria Lane meet Mike and Susan's new baby; Gaby forms a bond with her tenant, Ellie; Lynette is accused of child abuse.
Lightman heads to war-torn Afghanistan to determine whether an American detainee is telling the truth about the location of two captured Marines.
Jules gets overprotective when Chick attends a Civil War re-enactment. Bobby considers a job in another state. Laurie ponders on what to name her unborn child, all of which Travis hates.