As the Cold War enters its final act, the CIA is sent scrambling when a rendezvous with a prized asset goes horribly awry. CIA officer Sandy Grimes begins her investigation into the source of the problem and quickly discovers that this lost asset is just the tip of the iceberg. Little does she know that this is just the beginning of a decade-long mole hunt, and the mole is one of her cohorts – Aldrich Ames.