Mystery Woman

In the Shadows (2x5)

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Samantha and Philby attend an Espionage Writers Convention where they meet a former KGB agent-turned-novelist, Alexsandr Tseitsev. Philby and Tseitsev -- former adversaries -- discover that they have a deep respect for each other, but later that night, Tseitsev is murdered! Samantha is seriously injured while trying to catch the fleeing murderer, leaving Philby to follow a trail of cryptic clues in order to find the killer. While Samantha recovers, Philby plunges into a dangerous game of cat-and-mouse and Cold War era espionage!