
The series begins in May 1940, a time when local Germans are being interned, the bombing of England has commenced, and anti-German feelings are running high. Detective Chief Superintendent Christopher Foyle's request for a service transfer is again denied, and he returns to local police work in Hastings. First broadcast in 2002 and covers the Spring/Summer of 1940.

Episode 1
The German wife of a rich and influential aristocrat exempted from wartime internment is found decapitated in the midst of anti-German feeling.

Episode 2
With the English army trapped in France and a German invasion imminent, a Nazi sympathizer is murdered during a pro-Facist meeting at a country hotel.

Episode 3
Foyle investigates the suicide of a pacifist and death threats to the judge who ruled against his conscientious objector status.

Episode 4
Foyle investigates a man found with a knife in his stomach in a bombed out building while son Andrew gets involved in a top secret radar program.