July 1945. While African American GIs wait for transport home, racial tensions run high at the army base in Hastings--particularly when a black American serviceman becomes romantically involved with a white local woman. Then a series of nighttime holdups adds to the town's concerns and leaves Foyle puzzled.

Looking into the deaths of several high-ranking Russian defectors, Foyle finds ties to the apparent suicide of an unidentified Russian man and the disappearance of a young woman. His search leads him to a government listening station that may not be what it appears.

When an MI5 intelligence asset fears for his life, Foyle must protect the ex-Nazi from assassination attempts and American authorities. Meanwhile, new MP Adam tries to help a farmer reclaim his land and uncovers information that could threaten his career.

With tensions running high ahead of a high-level Palestinian conference, Foyle investigates a plot involving murder, espionage, and a terrorist threat.

After an assassination attempt on Hilda Pierce, Foyle examines her Special Operations Executive activities during the war and rumors of a traitor.