Beneath the decadence of 1929 Berlin, lies an underworld city of sin. Police investigator Gereon Rath has been transferred from Cologne to solve a criminal case - a porn ...

Rath attempts to interrogate König further regarding the missing film reel, while the Russian revolutionaries' location is revealed by an informant. ...

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

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

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

Kardakow seeks help in retrieving the Sorokin's gold. Rath faces a moral dilemma and Bruno makes a power play. ...

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

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