The threat of Russia as a hostile superpower returns in this chilling spy thriller.

When British spy, Finn, is brutally murdered by a Russian assassin, Adrian, chief of MI6, wants vengeance. He also wants answers - answers that can only be revealed by Finn's widow, Anna, the former KGB colonel who betrayed her country for love and has now disappeared with their child. Adrian isn't the only one desperate to find Anna. Finn accessed intelligence so confidential that the KGB are willing to kill to protect it, and now everyone wants to know what Russia is concealing beneath its veil of political cordiality.