Seasons & Episodes
The Return
Professor T consults on a campus rape case, identical to a decade-old incident in the same dorm.
The Payback
A husband returns home to a grisly scene, and only Professor T can solve the brutal crime.
Hotel Murder
Professor T unravels a mystery after a plastic surgeon is found murdered in his hotel room.
Tamara
Professor T is implicated in the killing of a high-class call girl.
Masked Death
Professor T investigates a ritual double murder.
The Lost Child
Professor T discovers similarities to his own painful childhood while searching for a family’s missing son.
Bloodline
After a brewery owner is found dead, Professor T learns every member of the victim’s family had a motive for murder.
Revenge
Chief Inspector Rabe is the prime suspect in a double murder, and only Professor T can help him.
The Perfect Murder
Professor T investigates a seemingly perfect murder.
Hikikomori
Daniel's fiance's boss is murdered, but Professor T is indisposed.
Lies
Professor T investigates when a nuclear physics student collapses dead in his office.
Murderer
Professor T attempts to solve the case of a murdered Neo-Nazi.
The Witness
Professor T returns to Cologne to help Daniel track down a killer.
Mother
Professor T's latest case coincides with his wish to resume a normal life.
Mathilde Möhring
Professor T investigates a gossip columnist's murder.
Christina
Professor T attempts to solve a crime close to home.
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