A Navy officer drives a recently freed inmate home shortly before their death; Palmer struggles with a personal trauma and Gibbs tries to help him through it.
Gibbs and Sloane search for a group of missing girls in Afghanistan; McGee, Bishop and Torres pursue a hacker who leaked dangerous information to the Taliban.
A victim's body is found frozen in the back of a food truck, which sends the team on an investigative journey into the competitive world of food trucks.