Kensi searches for the White Ghost in Afghanistan.

Granger searches for the missing Kensi in Afghanistan.

Marty Deeks stands outside a door during a mission on "Zero Days."

NCIS is tasked with a serious case, but Deeks and Sam share a moment of laughter.

Hetty advises the team about their case on "Zero Days."

Eric gives Deeks information about the case that involves his friend.