N or M?

Description

During the height of World War II, the intrepid husband-and-wife detective duo Tommy and Tuppence Beresford are called upon for a crucial mission by the intelligence service. Tasked with going undercover, they must infiltrate a seemingly ordinary seaside town to dismantle a dangerous Nazi spy network operating within its borders. As they navigate a web of secrets and deception, Tommy and Tuppence race against time to unmask the elusive agents known only as N and M before their sinister plans can come to fruition.