Stephen Markle

A couple travels across the ocean in search of a diagnosis from House.

Summer discovers the truth about Seth. Kirsten and Julie take their matchmaking business too far. Marissa tells Johnny how she feels. Kaitlin wonders which Cooper he really likes.

Roberts and Harm investigate Jenny's strange behavior leading up to an important trial date.

The new JAG, Marine General Gordon Cresswell, sends Harm and Mac to Baghdad to participate in the court martial of a sergeant accused of involuntary manslaughter in the death of Senior Department of Defense Advisor Dwight Kanin.

Sydney discovers a terrifying secret when shes sent on a case to track down a new generation of weapons. Meanwhile, Vaughn suspects Jack of setting up Sydneys mother to take a fall, Sloane tells Jack the truth about Emilys death, and Will lends a hand to Francie during the grand opening of her restaurant.

Jack makes a great sacrifice when Sydneys trust in her father begins to fade. Meanwhile, Sydney and Vaughn may have been exposed to a deadly virus while in Taipei; Sloane - still haunted by Emilys death - begins to unravel; and Vaughn enlists Will to help research a case.