Sam's latest argument with Callen is interrupted by a case concerning a missing submariner, Zahra Mahmad. Captain Alonsi, Zahra's superior, tells Kilbride that OSP has 12 hours to find her before a SEAL team gets sent on a suicide mission into hostile territory. Zahra withdrew $20,000 in cash the previous day. Zahra's mother acts suspiciously when Zahra's brother Omar is mentioned. Kilrbride orders Fatima back to Ops. Callen cracks Zahra's safe. Her passport is inside. She has been in regular contact with Ted Brown, who is deeply in debt. Kensi and Deeks find Brown tortured and restrained and he slips into a coma. Zahra's loaner car is abandoned in a parking garage. Sam finds a post-it with "Roger 8 Broad" written on it. Kilbride gets Col. Jackson Ladd to get into the top-secret mission. There's a currency exchange at that address and Roger is evasive. Roger admits he sends money overseas. But Zahra never made it there yesterday. Fatima finds footage of Zahra being abducted by two men in an SUV. Omar isn't at university in London but rather is living in San Francisco. Muhammad Hasan, a member of an ultraconservative Islamic militia, rented the SUV. Kilbride learns Zahra's abduction has nothing to do with the top-secret mission. Zahra is an unwilling part of an arranged marriage. Fatima and Kensi find Zahra's parents' restaurant trashed. Hasan is Zahra's cousin, as are two other members of the militia group. Fatima and Kensi are surrounded and knocked unconscious. Deeks discovers that Zahra's uncle owns a nearby junkyard. Fatima awakens in a car surrounded by flames. Sam and Callen arrive but come under fire. The car blows up. But Fatima and Kensi have already escaped. They team up to take down Hasan and rescue Zahra. Sam attempts to console a conflicted Fatima.