Episode 1

Berlin, April 1929: Cologne police lieutenant Gereon Rath (Volker Bruch) joins his colleague Bruno Wolter (Peter Kurth) in the investigation against a porn ring in Berlin. After a raid his case turns into a new direction after stumbling over a photograph. He meets the stenographer Charlotte Ritter (Liv Lisa Fries) who feeds her family with work for the police. In a heist on a freight train russian revolutionaries append a wagon with explosive content to be smuggled to Berlin.

Episode 2

Rath attempts to interrogate Konig further about the missing film reel, and the Russian revolutionaries' location is revealed by an informant.

Episode 3

Kardakov flees after the Soviet attack on The Red Fortress. Rath receives an uninvited guest in his apartment.

Episode 4

The May Day stand-off between communist protesters and police erupts in bloody violence.

Episode 5

As Berlin becomes increasingly politically charged, those in charge look to change the discourse on the May Day violence.

Episode 6

Kardakov seeks help in retrieving the Sorokins' gold. Rath faces a moral dilemma, and Bruno makes a power play.

Episode 7

Lotte's private investigation leads her to the depot where the hijacked train is held. Rath relives painful memories of the front.

Episode 8

Rath and Bruno finally get a lead to the location of the missing film reel, but after the truth come the consequences.