The year is 1940: The Spanish Civil War is over, and Madrid lies ruined, its people starving, while the Germans continue their relentless march through Europe.
Sent to gain the confidence of Sandy Forsyth, an old schoolfriend turned shady Ma.
Into this uncertain world comes Harry Brett: ex-public schoolboy, traumatised veteran of Dunkirk and, now, reluctant spy for the British Secret Service.
And as Britain stands alone, General Franco considers whether to abandon neutrality and enter the war.
The year is 1940: The Spanish Civil War is over, and Madrid lies ruined, its people starving, while the Germans continue their relentless march through Europe