In search of "a taste of the real Spain", the TARDIS transports the Doctor, Ace and rejoined crewmember Mel not to sizzling Fuerteventura, or the golden sands of the Costa Brava – but to 1938, amid the horrors of the Spanish Civil War. Having fallen in with a rag-tag column of Republican soldiers, the time and space travellers seek shelter from Franco's bombers in the walled town of Farissa – only to discover themselves besieged by dead men returned to life...