When you join forces with Homeland Security, you know you're in for a tough time.
That's what happened for the team on NCIS: New Orleans Season 2 Episode 23 as they tried to find out the truth about a Navy master diver's murder.
As they begun investigating, things took a sinister turn when they found out that the murder could be linked to a foreign attack on the city.
Did the foil the plot before it was too late?
Use the video above to watch NCIS: New Orleans online to get up to speed with the latest.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.