Mark (Scott Cohen) and Katya (Hope Davis) confront the mole, but an escape puts Sarah (Alex Peters) in grave danger. Now branded a traitor by the task force, Alex (Gavin Stenhouse) goes on the run but tries one last time to reason with Sam (Kenneth Choi). Meanwhile, Christoph (Giancarlo Esposito) targets a woman who can help him carry out the Rezident's (David Vadim) plans, but faces some unexpected complications. Also starring Margarita Levieva (Natalie O'Connor) and Morgan Spector (Victor Dobrynin).
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