Beneath the decadence of 1929 Berlin, lies an underworld city of sin. Police investigator Gereon Rath has been transferred from Cologne to the epicenter of political and social changes in the Golden Twenties.

A son tries to save his mother's eyesight by drinking beer and playing darts.

White gold is buried in Beelitz, Brandenburg, but after initial successes, former BND agent Sven (Herold Vomeer) is targeted by a dangerous organization. A war soon breaks out and the violence threatens to escalate. And Sven can no longer run away from his past in Knorx.

A man goes to a carnival with his girlfriend and the two are attacked and harassed by a gang of violent men. The protagonist then develops a desire to learn martial arts in order to be able to fight better in the future.