Susan professes her love for Ian while Gaby and Carlos try to rekindle their love, and Bree is confronted with Orson's past.
Everyone's lives on Wisteria Lane are forever changed when Carolyn Bigsby holds shoppers hostage at a local supermarket. Meanwhile, Gabrielle and Carlos finish dividing their assets: Gabrielle gets the house, and Carlos gets everything in it. Susan is preparing to go to Paris with Ian.
The BAU team investigates a mass murder at an Internet security company in Charlottesville, Va., but clues reveal it is not a typical serial killer at work. Also, Prentiss must complete recertification training under Morgan's watchful eye.
In order for Fitz to make the biggest impact with his State of the Union address on gun control, Cyrus sets out to recruit a power couple who are influential on the issue. Meanwhile, Mellie's personal struggle gets national attention.
Beckett races to find a stolen toxin capable of killing thousands of people; Castle has less than 24 hours to live after being exposed to the chemical weapon.
