Callen and Sam travel to San Francisco to search for Beale after he's kidnapped during a clandestine mission for Hetty.

While the team investigates the theft of a computer virus, Callen and Sam consider their future at the agency, Kensi and Deeks discuss having children, and Eric and Nell analyze the impact of Eric's undercover assignment on their relationship. Also, the team tracks Mara a crooked upscale banker.