On Christmas Eve, JT works on a humanitarian aid mission for an Afghanistan village that helped Delta several years ago. He finds the village confronting bad weather and an advancing Taliban force. Also, Sonny helps JT's father who needs a favor.
Jim Tisnewski and Colonel McNulty lead the force as the Pentagon intelligence deals with conflicts at home as well as abroad.
As viewers witness the decisions and execution of these decisions, often crises that are life-and-passing situations, the staff works for the safety and security of mankind as well as each other.