Nick Shakoour

Callen and Sam work with Navy Capt. Harmon Rabb, Jr. (David James Elliott) to apprehend spies aboard the USS Allegiance. Also, Hetty partners with Marine Lt. Col. Sarah "Mac" Mackenzie to neutralize a missile attack in the Middle East, and Kensi and Deeks are trapped in a mobile CIA unit in Iraq while under attack by ISIS.

Chin and Abby are faced with a difficult decision, and McGarrett gets word that someone is plotting to launch a terrorist attack on Oahu.

Blaine faces the ultimate test of his professionalism and skill when his daughter, a soldier serving in Iraq, is kidnapped.

President Payton has questions for Nick Vera after part of the convoy-attack report is leaked, while Kurt works up the courage to show Maureen his hand.

The team must locate Jack Dawkins when he is kidnapped and held for ransom, while Maureen struggles when she substitutes for the President's briefer while Charlie is at Langley.