Autumn 1943. Hitler knows he cannot win the war: now he must find a way to make peace. FDR and Stalin are willing to negotiate; only Churchill refuses to listen. The upcoming Allied Tehran conference will be where the next steps - whatever they are - will be decided. Into this nest of double- and triple-dealing steps Willard Mayer, OSS agent and FDR's envoy to the conference. His job is to secure the peace that the USA and Hitler now crave. The stakes couldn't be higher.

By 1939, Anglo-American journalist John Russell has spent 15 years in Berlin, where his German-born son lives. He writes human-interest pieces for British and American papers, avoiding the investigative journalism that could get him deported. But as war approaches, he faces the prospect of having to leave his son and his longtime girlfriend.

Ex-policeman Bernie Gunther thought he'd seen everything on the streets of 1930s Berlin - until he turned freelance and he is sucked further into the grisly excesses of Nazi subculture. The year is 1936 and Berlin is preparing for the Olympic Games. Some of Bernie's Jewish friends are beginning to realise that they should have left while they could, and Bernie himself has been hired by a wealthy industrialist to investigate two murders that reach high into the Nazi Party.

It's not unusual for spies to have secrets, but Henry Hunter has more than most, and after he is stopped by British Intelligence at Croydon airport on the eve of the Second World War, he finds he has even more. In March 1941 in Berlin, haunted by a dark episode from his past, he makes a fateful decision resulting in a dramatic journey to the Swiss frontier, with a shocking outcome.

Anneliese Vos, 16-year-old daughter of detective Pieter Vos, disappeared three years ago. Her father's desperate search revealed nothing. One day, Laura Bakker, a trainee detective, visits to tell him that the daughter of local politician, Katja Prins, has gone missing in circumstances similar to Anneliese. Vos is drawn back into the life of a detective, hoping that somewhere will be a clue to his daughter’s fate….

With the end of the Second World War in sight, the Allies begin to divide up the spoils, and it proves to be a dangerous game. The British have become aware that the Soviet Union is intent on controlling Austria once the war ends. Major Edgar is given the job of establishing an espionage unit in Vienna in order to track down Austria's most respected politician. But the feared Soviet spy Viktor Krasotkin is already embarking on exactly the same mission....

It is just before the outbreak of World War I, and Britain must enlist the aid of Russia. Czar Nicholas' nephew is to visit London for secret naval talks with Lord Walden, who has lived in Russia and has a Russian wife, Lydia. But there are other people who are interested in the arrival of Prince Alexei: the Waldens' only daughter, Charlotte - wilful, idealistic, and with an awakening social conscience; Basil Thompson, head of the Special Branch; and, above all, Feliks Kschessinky, the ruthless Russian anarchist. 

America, 1960. In Washington, DC, John F. Kennedy has just been elected president. In Havana, Fidel Castro has been in office for a year, and with Cold War tensions rapidly heating up and the Soviets leading the space race, the thought of a Communist leader so close to home is already raising American blood pressure. Anti-Communist fever is rampant in the USA, with a paranoid establishment seeing reds under every bed. Nevertheless, the decision to snuff out the threat of Castro by hiring Tom Jefferson, America's best assassin, to kill him comes from an unusual quarter: the Mafia.

France, July 1944: In the Pas de Calais, Nathalie Mercier, a young British special operations executive secret agent working with the French Resistance, disappears. In London her husband, Owen Quinn, an officer with Royal Navy Intelligence, sets off on a perilous hunt through France in search of his wife. With the help of the Resistance, he finds Nathalie, but then the bitterness of war and its insatiable appetite for revenge catch up with them in a dramatic fashion.

How long can you pretend to be mad without going mad? Two English pilots are forced to find out when they are shot down behind enemy lines in 1944. The area is swarming with German troops, so, unable to escape, they ditch their clothing and personal belongings, pose as German soldiers, and board a train carrying wounded SS men home from the eastern front.

Jeremy Summers, a British banker with a secret that could reveal MI6 intelligence sources involved in the war against drug-funded terrorism, has been seized at gunpoint, in broad daylight, on the streets of west London. An old contact, Raglan - an Englishman who served in the French Foreign Legion - is on his trail. Raglan's pursuit will lead him to the winter-ravaged wasteland of a remote Russian penal colony. A place that holds Russia's most brutal murderers. A place of death and retribution. How will he get in? More importantly, how will he get out...alive?

Farideh's husband is a corporal in the Iranian Revolutionary Guard, entrapped by MI6 for interrogation. His job as a driver to a top general has left him with potentially valuable knowledge, but he won't talk unless Farideh is brought out of Iran. The SAS say it's too dangerous, so MI6 assemble a team of three ex-soldiers and a student dropout who knows the language and smuggles them into Tehran.…

In 1953, Comandante Leo Guzmán is head of a secret police unit whose job is to hunt down enemies of the state. Guzmán’s brutal tactics are simple and effective: everyone is suspect. In 2009, on a blazing summer's day in the hills near Madrid, Ana María Galindez, a Guardia Civil forensic scientist, examines what she thinks is just another Civil War grave. Fifteen bodies are hidden in an abandoned mine shaft, and forensics reveal that the killings took place sometime in the early 1950s. The identity of the suspected murderer? Comandante Leo Guzmán.

A nine-year-old boy is found murdered at the bottom of a well near a popular beach resort in southern Italy. In what looks like a hopeless case for Guido Guerrieri, a Senegalese peddler is accused of the crime. Faced with small-town racism, Guido attempts to exploit the esoteric workings of the Italian courts. The voice of Sean Barrett brings this gritty Italian detective series to life.

When German intelligence officer Captain Reinhardt is reassigned to a new branch of the military police, his position separates him from the allies he has made. This includes a circle of fellow dissenting Germans who formed a resistance cell against the Nazis. Reinhardt witnesses a massacre of civilians in Yugoslavia, only to discover there is more to the incident than anyone believes. When five mutilated bodies turn up, he knows the stakes are growing more important - and more dangerous....