Special Agent Pride and the team investigate a Russian sleeper agent involved with Abby's brother; Sebastian goes to Washington, D.C., to work with Abby; Bishop drives all night to deliver a package and help the New Orleans team.
Special Agent Pride and the NCIS team investigate the murder of an immigrant Petty Officer that was staged as a suicide. Also, the team secretly creates an online dating profile for Special Agent Pride
A Mardi Gras party at Pride's bar ends up being cut short after he and Mayor Douglas Hamilton are abducted by some unknown assailants.
When a mystery man saves the life of a Lieutenant and then disappears from the scene, the NCIS team unravels a new case when forensic evidence suggests he is a soldier who was captured in Afghanistan years ago and never found.
After tracking stolen Navy TNT to a cocaine warehouse, Special Agent Pride and the NCIS team uncovers a domestic drug ring that is producing their own cocaine and headed by Sonja's childhood friend, Marion Watkins.
A Navy captain ends up being murdered during an appearance on a local radio show. Pride's daughter returns home to discuss her plans for the future.
Agent Brody realizes that there is a connection between the case of a sailor hit by a party bus and the death of her sister.
Pride's daughter is attacked whilst on campus and the team discpvers a surveillance van full of pictures featuring the special agent's every move.