Set against the backdrop of 1985, the climactic end of the Cold War unfolds as Sandy and her colleague Jeanne Vertefeuille are determined to unmask the mole who would become infamous as the most notorious traitor in American history, Aldrich Ames. Sandy is in a desperate race to protect Soviet intelligence officers from capture and execution. Balancing her own secretive existence at home, this striking wife and mother is relentless in her pursuit of the truth.