Its July 1945 and the war in Europe is over. Britain is settling into peacetime, a new Labour government is waiting in the wings and Foyle is itching to retire. Milner is finding his feet as the new Detective Inspector in Brightons police force whilst Sam seems to have lost her sense of purpose along with her uniform. The Second World War is over but the Cold War is looming with the dawning of a new era.

The Russian House : EPISODE 20
When an eminent artist is found dead in his home, suspicion automatically falls on a young Russian POW. Foyle suspects otherwise and stumbles across an international cover up, which could bring down the British government.

Killing Time : EPISODE 21
Amidst mounting racial tensions, a local girl is murdered and a black GI comes under immediate suspicion. Foyle investigates and finds himself going head to head against the US army and all of its might.

The Hide : EPISODE 22
Foyle's tenure as Detective Chief Superintendent is officially over. However when he hears about a young man sentenced to hang for treason, Foyle realises he has one last case to explore before he can start afresh.