NCIS: Season 14, Episode 15 - ProjectFreeTV

14 - 15: Pandora's Box (Part I)

After Abby's homeland security think tank is compromised and she is found in possession of a real bomb, the NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been stolen.

Crossover with NCIS: New Orleans season 3 episode 14.