Was Abby on to a winner?
That was addressed on NCIS Season 14 Episode 15 when she thought the tank was compromised.
Things quickly took a turn.
This turn came in the form of a theoretical terror playbook being stolen and auctioned off on the black market.
The team joined forces with the characters of NCIS: New Orleans to find a way to save the world from the book getting into the wrong hands.
Did they succeed?
Use the video above to watch NCIS online to get caught up with the latest drama.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.