Mac and Lt. Vukovic go to Indonesia to negotiate with a modern-day pirate for the release of Naval hostages. Meanwhile, Bud and Harriet have an open house in celebration of their new twin babies.

A marine Private kills a seemingly unarmed civilian in a raid on a Mosque in Karbala, Iraq. Lt. Vukovic goes to Iraq in order to defend the marine -- a hard task as the whole incident was filmed by a ZNN reporter. Meanwhile, Cresswell asks Mac to talk his daughter out of her plans to abandon a military career, and Harm maintains his vigil at Mattie's bedside.