: Set in October 1940, the episode revolves around the Home Guard’s military exercises (nicknamed "Dad’s Army") held on a wealthy estate.

: DCS Foyle investigates the murder of a Home Guard member, Harry Markham, who is found shot during the exercises.

At the timestamp in Foyle’s War Season 2, Episode 3 ("War Games"), a particularly notable feature is the first-ever credited screen appearance of Emily Blunt .