Babylon Berlin - Season 2

Gereon Rath is reunited with Helga, but his joy is short-lived.

Rath and Graf undertake a dangerous mission to recover evidence of the secret German airfield based in Russia.

After discovering one of his most trusted colleagues has been murdered, Rath comes to suspect that the killer was someone on the inside.

Lotte is kidnapped and held in an ominously familiar location, while Rath and Benda's case against the Black Reichswehr stalls.

Crucial evidence falls into Rath's hands, while Lotte unearths a conspiracy to murder an international envoy.