Rath’s pharmacist gets shady instructions. Rath learns who’s behind the train smuggling operation and why, and recalls the last time he saw his brother.

While interrogating König, Rath loses control of the situation. Charlotte moonlights to make ends meet. An alter ego commits a betrayal.

The freight train arrives in Berlin. Tempers explode in Charlotte’s household. Aspiring inspector Jänicke makes use of a surprising skill.

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

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.

Jänicke spots a match that leads to two suspects in the Red Fortress massacre. Blackmail and bribes fuel a Soviet-German tug-of-war over the train.

A mass grave is found in the woods. Charlotte’s sister Toni makes a troubling discovery. A meeting with Homicide leads Rath to a dreadful realization.