Berlin, 1930. Sound film is conquering the big screen, leaving many by the wayside: producers, cinema owners - and silent film stars. Investigating the violent on-set death of actress Betty Winter, Inspector Gereon Rath encounters the dark side of glamour and an industry in turmoil. When his father requests that he help his friend, the mayor of Cologne, Konrad Adenauer, and his ex-girlfriend, Charly, makes a renewed attempt at rapprochement, things start to get out of hand.

July 1932. When a drowned man is found in a freight elevator in Haus Vaterland, the giant pleasure palace on Potsdamer Platz, Inspector Gereon Rath is called in to investigate. It’s not that Rath hasn’t problems enough. His hunt for a mysterious contract killer has been stalled for weeks, and his on-off lover, Charlotte Ritter, has just begun her probationary year with Berlin CID.  

It is 1933, and a dead man has been found lying under railway arches in Berlin. An old soldier, hideously disfigured, he has been killed mysteriously. Gereon Rath is brought onto the case while his fiancée, Charlotte Ritter, blazes her own trail. Meanwhile, the Nazis consolidate their hold on power, the Reichstag is burned down and things become a lot worse not only for Berlin’s Jewish community but also for those police officers who can remain in action.... 

Berlin, 1929. Detective Inspector Rath was a successful career officer in the Cologne Homicide Division before a shooting incident in which he inadvertently killed a man. He has been transferred to the vice squad in Berlin, a job he detests even though he finds a new friend in his boss, Chief Inspector Wolter. There is seething unrest in the city, and the Commissioner of Police has ordered the vice squad to ruthlessly enforce the ban on May Day demonstrations.

Berlin, March 1943. The mood in Germany is bleak after their stunning defeat at Stalingrad. Private Investigator Bernie Gunther is at work in the German War Crimes Bureau - weary, cynical but well aware of the value of truth in a world where that's now a rarity. When human remains are found deep in the Katyn Forest, Bernie is sent to investigate. Rumour has it that this mass grave is full of Polish officers murdered by the Russians. For Josef Goebbels, proof of Russian involvement is sure to destroy the Western Alliance, giving Germany a chance to reverse its devastating losses.

September 1941: Bernie Gunther's old boss, Reinhard Heydrich, orders him to Prague to stay at his country house. When a body is found in a room locked from the inside, the spotlight falls on Bernie to solve the mystery. If he fails to do so, he knows what is at stake - the reputation of Heydrich, a man who does not like to lose face. So begins the most diplomatically sensitive case of Bernie Gunther's police career.

As the war approaches its end, Prince once more has to risk everything. Berlin, 1939: a German intelligence officer learns a top agent is quickly moving up the British Army ranks. He bides his time. Arnhem, 1944: British paratroopers have been slaughtered in one of the bloodiest battles of the Second World War. A shell shocked officer is convinced that the Germans knew they were coming. But who betrayed them? Back in London, Richard Prince, detective and spy, is approached by MI5 about a counterintelligence operation. 

Berlin, 1943. August Schlegel lives in a world full of questions with no easy answers. Why is he being called out on a homicide case when he works in financial crimes? Why did the old Jewish soldier with an Iron Cross shoot the block warden in the eye, then put a bullet through his own head? Why does Schlegel persist with the case when no one cares because the Jews are all being shipped out anyway? And why should Eiko Morgen, wearing the dreaded black uniform of the SS, be assigned to work with him?

World War II is over, and former German intelligence officer Captain Gregor Reinhardt has returned to Berlin, having been hired back onto Berlin's police force. When a man is found slain, Reinhardt embarks on a gruesome investigation. It seems a serial killer is on the loose, and matters only escalate when it's discovered that one of the victims was the brother of a Nazi scientist.

Posing as an escaping Nazi war criminal, Bernie Gunther, Berlin's hardest-boiled private eye, arrives in Buenos Aires. When he reveals his real identity to the local chief of police, he discovers that his reputation as a detective goes before him. A young girl has been murdered in peculiarly gruesome circumstances that strongly resemble Bernie's final case as a homicide detective.

1942: a German spy comes ashore on a desolate stretch of Lincolnshire beach. But he is hunted down by a young detective, Richard Prince. The secret services have need of a man like him.... In occupied Europe, Denmark is a hotbed of problems for British intelligence. Rumours of a war-ending weapon being developed by the Germans are rife. Sent to Copenhagen, Prince is soon caught in a deadly game of cat and mouse. Dodging Gestapo agents, SS muscle and the danger of betrayal, his survival - and the war effort - hangs in the balance. 

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....

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.

Hamburg, 1947. A ruined city occupied by the British who bombed it, experiencing the coldest winter in living memory. Food is scarce; refugees and the homeless crowd into shantytowns and sheds. There is a killer on the loose, and all attempts to find him or her have failed. Plagued with worry about his missing son, Frank Stave is a career policeman with a tragedy in his past that is driving his determination to find the killer.

The Allies are desperate to stop neutral Turkey supplying vital materials to the Nazis - materials which could help them win the war. But then a British agent makes a fatal mistake and disappears in Istanbul. In England, detective-turned-spy Richard Prince - back from a clandestine mission in Nazi-occupied Europe - is hunting for his lost son. Before long he is drawn into a dangerous follow-up operation, posing as a journalist in Turkey. The mission soon goes wrong.