Mark and Katya confront the mole, but an escape puts Sarah in grave danger. Now branded a traitor by the task force, Alex goes on the run but tries one last time to reason with Sam. Meanwhile, Christoph targets a woman who can help him carry out the Rezident's plans, but faces some unexpected complications.
Did You Know?
When Sam and Alex meet in the snow, behind Sam a squirrel crosses the path. See more