In 1929, a freight train traveling from the Soviet Union is hijacked. Meanwhile, Chief Inspector Gereon Rath from Cologne pursues a mission in Berlin.

Litten remembers a legal loophole that could save Greta’s life. Charlotte visits the inn mentioned in her mother’s love letters. Wall Street crashes.

Benda’s widow gives Wendt a piece of evidence. A crisis bonds Helga and Nyssen. Fingerprints are found on the knife, but Charlotte notices an oddity.

Benda’s widow gives Wendt a piece of evidence. A crisis bonds Helga and Nyssen. Fingerprints are found on the knife, but Charlotte notices an oddity.

Litten remembers a legal loophole that could save Greta’s life. Charlotte visits the inn mentioned in her mother’s love letters. Wall Street crashes.