A young secretary of a multinational corporation falls to her death in London and a member of the Home Guard is shot to death in the south of England. Finding how these deaths are related and how business and politics can be deadly Foyle finds who killed these people and why.

A scheme involving missing fuel, RAF pilots, a bar, and a mobster involves Foyle's driver Sam Stuart and Foyle's son Andrew.

Members of the swanky Whiteoaks Golf Club keep turning up dead by the 13th hole.