April 1944. Milner is unhappy with his new DCS and has asked for a transfer, but after he is murdered, Foyle comes out of retirement to replace him.

October 1944. Foyle hones in on two murders: an unpopular psychiatrist in a trauma facility and a low security German POW on work release to a local farm.

May 1945. Foyle joins a municipal committee that's preparing for the now imminent V-E Day celebration but soon finds himself investigating the deaths of two of its members.