5USA +1

When a marine escapes from a psychiatric unit, the NCIS are called to ensure his safe return. However, the marine still thinks he is fighting in Iraq, and the team soon discovers there is an even deeper secret at stake.

Ducky lands in hot water when he refuses to conduct an autopsy on a Muslim marine out of respect for his beliefs.

Briscoe and Curtis investigate the death of a promising mathematician who was involved in a turbulent relationship with a college professor.

McCoy and Carmichael risk violating the civil liberties of witnesses when they are forced to jail them in order to safely continue their investigation.

Discovery of a body in a car boot puts the detectives on the trail of a money-laundering operation controlled by ruthless Russian gangsters.

The murder of a stockbroker points to organised crime when the prime suspect is killed by a hired hit man.

Police officers are accused of causing the death of a young white boy, who they dropped off in a predominantly black area, during violent unrest.

When a bomb kills six on a helicopter flight, evidence points to a victim's wife who is influenced by two financial advisers (Annette O'Toole, Michael McKean).

When a marine is found tortured in his garage, the investigation leads to an FBI witness who is about to testify against a reputed mobster.

A note found in a dead body leads Ducky to a website depicting how a previous victim was disposed of.

When it appears that money was not the main objective of a bank robbery, the team must consider what the perpetrators were really after.

In an effort to track down Sam's captor, Vincent and Cat have to work together on Valentine's Day, which forces Cat to evaluate whether she wants to be in a relationship with Gabe.