Anna's number has been disconnected. Callen is being followed but the driver takes off when Callen confronts him. Callen goes to the National Counterterrorism Center to interview Oleg Barinov, an incommunicative Russian airman. DOJ Special Agent Effie Carlson grills Callen. She accuses him of being a Russian double agent. Fatima tells Sam about Callen thinking he's being tailed. She was concerned about his allowing Russians to blow up their plane. Fatima tracks Callen's phone to the Federal Building. Admiral Kilbride arrives and informs Sam that Callen is being questioned as a Russian agent. Deeks shows up as Callen's lawyer. He cranks classical music to drown out his conversation with Callen. They wonder about the source of this search for a Russian mole. Carlson releases Callen. Callen ponders why Kaptain Gonchgarov is trying to defect. Callen turns himself back in and requests that Carlson lets him talk to Gonchgarov. Kensi wants Deeks to recruit Kirkin to work with NCIS. Kilbride hates Callen's plan. A motorcyclist shoots Kilbride while he's talking by phone with Sam. The shooting was staged. Deeks finds Kirkin at his fashion house. Gonchgarov is abducted by Callen. He takes him back to the boatshed where Kirkin is waiting. He sees a news report about Kilbride being killed. Gonchgarov keeps saying he defected. Gonchgarov offers to call Callen an emergency phone number if he's allowed to go back to the American authorities. He's told he'll be picked up at the Santa Monica Pier. Zasha Gagarin make contact with Gorchgarov. She's poisoned him and he starts seizing. Zasha escapes. Carlson agrees to work with NCIS to find Zasha. She denies she's following Callen. Deeks agreed to model Kirkin's fashions in exchange for his help while Kensi laughs in the background. Pretending to be a double agent, Callen confronts Zasha.