Police commissioner Gereon Rath is transferred from Cologne to Berlin, the epicentre of political and social change in the Golden Twenties.
Charlotte is called to a crime scene as Nyssen throws a huge party with Helga and makes an important announcement. Series premiere. (S4, ep 1 of 12)
As a dead man on a park bench in the Tiergarten grabs the attention of the homicide squad, Toni gets caught and Charlotte makes a terrible decision. (S4, ep 2 of 12)
In urgent need of money, Charlotte enters a lucrative dance marathon. Councillor Wendt pitches his plans to Nyssen. Rath visits Stennes in prison. (S4, ep 3 of 12)
Abraham Goldstein arrives in Berlin as secret organisation the 'White Hand' passes a verdict on a criminal and Rath investigates a boxing match. (S4, ep 4 of 12)
Weintraub investigates the boxing match betting fraud. Rath makes a confession to Charlotte, who asks him to find out more about Benni's death. (S4, ep 5 of 12)
Rath brings Moritz to the castle. Charlotte tells a lawyer about the deaths among street children and Goldstein takes drastic measures. (S4, ep 6 of 12)
Rath takes part in a risky experiment, a brutal gang war breaks out in Berlin, Widow Behnke tries to help Katelbach and Toni finds herself in danger. (S4, ep 7 of 12)
As Widow Behnke kicks off her high stakes rescue plan, Stennes instigates a hall battle in the 'Moka Efti' and Charlotte makes a secret observation. (S4, ep 8 of 12)
While Malu Seegers and Dr Völcker pursue a deadly plan, Charlotte makes a terrible discovery and Helga tries to escape from her kidnappers. (S4, ep 9 of 12)
Despite Gennat's doubts, Rath organises a meeting with all of the wrestling club bosses. Malu rethinks her plan and Esther looks for work as a musician. (S4, ep 10 of 12)
Rath is celebrated as Charlotte meets a boxer. Stennes plots a coup against Hitler while Goldstein learns the truth about the diamond. (S4, ep 11 of 12)
The SA face the SS at 'Stennes Putsch' as Toni meets an ally and Goldstein boards a Zeppelin heading for America. Series finale. (S4, ep 12 of 12)