The hunt for a Soviet mole within the CIA during the height of the Cold War. Sandra Grimes and Jeanne Vertefeuille, two CIA counterintelligence officers, detail their personal involvement in the protracted and complex investigation to unmask a high-level mole. Operating within the clandestine world of espionage, they navigated internal politics and bureaucratic hurdles while piecing together fragmented intelligence to identify the traitor responsible for compromising national security.

This memoir offers a detailed, insider's perspective on a significant counterintelligence operation. The authors' direct involvement provides a unique vantage point on the complexities of identifying a mole within the CIA during a critical period of the Cold War. The narrative focuses on the investigative process and the personal toll it took on those involved. It serves as a valuable historical document for understanding espionage and internal security.