Season 7 begins with Callen going rogue and embarking on a secret mission that leaves Sam and the team in the dark. Hetty demands his operation be shut down and that the team intercept him before it's too late.

DEA agent Talia Del Campo seeks help from NCIS after her partner is murdered. Meanwhile, Kensi grows suspicious that Deeks is hiding something, but he surprises her by introducing her to his mother.

Callen and Sam receive a cell phone on their day off and the caller threatens to kill innocent people if they don't do as he says.

The team helps NCIS agent Tony DiNozzo track down a money launderer who escaped just before being brought into his custody.

The team searches for Sam's former partner, Ruiz (Anthony Ruivivar), who disappears while buying a deadly explosive during an undercover operation.

Kensi and Deeks go undercover as cult members to rescue a former Department of Defense employee brainwashed into revealing classified information, as the rest of the team works to prevent the cult from selling the government secrets.

The team searches for Jada (Ella Thomas), the woman Sam led to asylum in the United States four years ago, after she goes missing. Also, Kensi goes undercover with DEA Agent Talia Del Campo (Mercedes Mason).

The team searches for a missing teenage girl who is feared to have been recruited by a terrorist organization.

Deeks is arrested and interrogated in connection with the murder of his former partner, while the team tries to prove his innocence.

Kensi and Deeks go undercover at a decommissioned nuclear power plant where a Gunnery Sergeant moonlighting as a security guard was poisoned by radiation.

The team investigates the murder of a tech entrepreneur turned venture capitalist who secretly developed a computer program that allows for undetectable data collection.

When Kensi and Deeks announce that they're moving in together, Hetty sends them both to protect a witness, which happens to be Kensi's ex-fiancé.

In order to locate Arkady in Russia, the NCIS team goes undercover with his daughter, Anna, at a gala in Los Angeles to gain access to the Russian Consul General's computer. Part one of two.

In Russia, Callen, Sam and Anna hatch a plan to break Anna's father and his CIA companion out of prison.

After extensive surveillance footage of Sam's family is found in Africa, Sam and Callen fly there to determine who is responsible and for what purpose. Also, Sam's family is moved from their home to a safe house. Ella Thomas guest stars.

The team is shocked to learn that Anna helped a convicted Cuban spy escape U.S. custody before he was to return to his country in a prisoner exchange.

Callen and the team try to save a child in imminent danger who has been brainwashed by a terrorist cell. Also, Deeks and Kensi discuss having children.

The team searches for a North Korean spy while they're assigned to protective detail for the commander of the Pacific Command.

After Operational Psychologist Nate Getz (Peter Cambor) fails to check in with Hetty while working undercover on a mission linking organized crime to terrorism, the team learns he is working with an infamous crime leader.

As Granger escorts Jennifer Kim (Malese Jow) back to Los Angeles, he interrogates her regarding a North Korean spy and she admits to knowing he is her father.

Sam and Callen go undercover as firefighters when top secret information about suspected terrorists is stolen from a secure Department of Defense container at the site of a fire.

Sam receives a distress code from his son that his school has been taken over by a group of extremists, so the team heads to San Francisco to save the hostages.