Ep 5. Mountebank

In NCIS: Los Angeles season 9 episode 5, titled "Mountebank," the team investigates a missing nuclear detonator that has gone missing during transport. The device was being moved across the country, making it difficult for the agents to narrow down the potential suspects.

As the team digs deeper, they realize that the theft may be linked to an upcoming political summit. They discover that a group of individuals is planning to use the detonator as leverage to gain power and push their political agenda.

To complicate matters, one of the team members may have a personal connection to the suspects, making it difficult to maintain objectivity during the investigation.

As the clock ticks down, the team races to locate the detonator and prevent a potential catastrophe. They'll have to use all of their skills and expertise to outwit these dangerous criminals and save the day.

With high stakes and intense action, "Mountebank" is a thrilling episode of NCIS: Los Angeles that will keep viewers on the edge of their seats from start to finish.