The Behavioral Analysis Unit has only 48 hours to determine whether or not a terrorist sleeper cell will strike within the U.S. and where.
With Rochelle's help, Chris tries to find an outfit for his school picture so perfect that the other kids will finally think he's cool.
Susan receives some surprising news while she's away on a romantic weekend with Ian, Lynette continues to try and support the family while Tom chases his dreams, and Bree finds her family is anything but perfect.
The team literally finds themselves in the dark when the investigation into the death of a lieutenant is connected to a city-wide blackout.
Grissom and Sara investigate the murder of a mental-hospital patient and quickly narrow down the suspects to a handful of other patients and staff members.