Michelle Pierce

Gideon, Hotchner and their team investigate a series of murders that may have been committed by a pair of suspects working together.

As both their lovers linger in comas, Susan and Ian decide to escape for a weekend in the country, while Nora continues to force her way into Lynette and Tom's life.

Bob and Lee's front-yard water sculpture prompts the neighborhood association into action; Edie finds out about the affair Carlos is having with Gaby; the Solises' former gardener, John (Jesse Metcalfe), wants to rekindle his romance with Gaby.

Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.

Secrets arise when Gibbs' former mother-in-law surfaces as a witness in a murder investigation.

After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays.