London is to host secret Middle East peace talks chaired by the President of the United States. The chief Israeli negotiator is Levi Cohen who is accompanied by his estranged daughter Anna. They have not spoken for many years dating back to when Levi refused to negotiate with terrorists who had taken her captive. MI-5 is in charge of security for the talks, which have been assigned the code name "Horizon". Dimitri and Beth go in masquerading as Home Office employees, but their ruse doesn't last long. When a journalist gets hold of the story, MI-5 wants to know who her source is. They focus on Muatt Hutri, a Lebanese terrorist who has just arrived in London. It's not at all straightforward as it seems however. Meanwhile, Vaughn Edwards is increasing pressure on Lucas to get him a copy of the Albany file.
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Beth notices that Baltasar is wearing a name badge in Spanish. She tries to trick by asking in Spanish if he's from Spain. He answers back in Spanish that he's from Argentina. However, his purported Argentine accent is so bad that Beth would never have believed it (since she speaks fluent Spanish and lived in South America), but she does and walks away, seemingly convinced. See more