N or M?

Tommy & Tuppence are hired to track down wartime spies at a seaside resort…It is World War II, and while the RAF struggles to keep the Luftwaffe at bay, Britain faces an even more sinister threat from ‘the enemy within’ – Nazis posing as ordinary citizens.With pressure mounting, the Intelligence service appoints two unlikely spies, Tommy and Tuppence Beresford. Their mission: to seek out a man and...