Bree's forced to handle catering for Bob and Lee's wedding by herself when Katherine bails out; Gaby gets a call from Ellie; Julie finds out about her acceptance to Princeton, but Susan doesn't want her to go.
Mike and Susan show off their new child; Gaby forms a strong bond with Ellie (Justine Bateman); Lynette is accused of child abuse. Death threats rock the neighborhood; Katherine's secrets are revealed.
Chick wants to go to his Civil War re-enactment but Jules is overprotective; Bobby's job opportunity is in another state; Travis hates Laurie's baby name choices.
Just before Christmas, Cal is sent to Afghanistan to interrogate an American soldier-turned-traitor in hopes of learning the whereabouts of two American marines captured by the Taliban.
Tim and Randy disagree on Binford's environmental policies. Jill gets an internship counseling families.