Gibbs' fate is left uncertain as he gets closer to uncovering the terrorist organisation

Bishop and Gibbs travel to Afghanistan

The team investigate the torture and death of a Marine

Gibbs does some digging for clues

A murdered Navy computer tech officer leads the gang to an online terrorist recruitment program

The team search a wrecked car for leads

Gibbs leads an intense interrogation

McGee meets with Ned Dorneget

The team search for the mysterious terrorist organisation called 'The Calling'

Gibbs attempts to shine a light on the case

Gibbs, Teague and Tony head to Iraq to track down 'The Calling'

Gibbs' fate is left uncertain as he gets closer to uncovering the terrorist organisation