Season 4
2020-05-15
4 Episodes
Episodes
1. The Witness
2020-05-15
Professor T returns to Cologne to help Daniel track down a killer.
2. Mother
2020-05-22
Professor T's latest case coincides with his wish to resume a normal life.
3. Mathilde Möhring
2020-05-29
Professor T investigates a gossip columnist's murder.
4. Christina
2020-06-05
Professor T attempts to solve a crime close to home.