Pride assembles an unofficial team to help him avoid abuse of power charges; the team and NCIS find a dangerous plot for Tricentennial Fleet Week celebration.
Pride's temporary replacement joins the team as they search for a former bomb maker for the IRA; Pride thinks about taking another position in the agency.
The key witness of an investigation into the death of a Navy intelligence officer gets close to Sebastian; Pride struggles to get used to his new position.
The team exposes a conspiracy in a tight-knit community when a petty officer is found dead; Lasalle waits to hear the results of his family's investigation.
The detectives attribute an art dealer's biblical-style murder to her sacrilegious images, but her involvement with a cult opens up a new investigation.
At first glance, a novelist found dead in her car is believed to be a suicide, but Lupo and Bernard discover a link between the victim and a bloodthirsty cult.
The sand in a murder victim's wounds leads the detectives to investigate a greensmen familiar with legal troubles; Rubirosa is forced to represent the defense.
A rather unusual deposit made into the bank account of a murdered jeweler leads the detectives to investigate his brother-in-law's illegal prostitution ring.
Stockbroker's death is linked to his involvement in a street fighting ring, and his family takes matters into their own hands when his opponent gets off light.
Lupo and Bernard investigate the murder of an environmentalist's wife, but the case takes a turn when the victim's car is found with another body inside.
The investigation into a class action airline plaintiff's murder reveals a zealous lawyer willing to go to any lengths to protect himself and his client.
The investigation into the murder of a boy and housekeeper leads to a harassing reporter who may provide valuable information by remembering a sorority party.
A trucking company owner is found murdered, and Lupo and Bernard's investigation reveals an illegal scheme, connections to the Russian mob, and a son's secret.
The investigation into a troubled NYPD officer's life reveals valuable stolen documents, a dead body, and a man who claims to be related to a president.
Isobel wants OA to ask an old Army friend for information regarding a private veteran's club in New York City that is connected to government agency bombings.
The team looks for a shooter who chooses detectives from the same individual precinct and unit; Tiffany discovers that she could have an unintentional bias.
The team helps the parents of a kidnapped young girl work around a dangerous debt; Maggie is distracted by the case after her sister comes back from rehab.