Professor T. - Season 3

Professor T. challenges his students to commit the perfect murder—in theory. But theory catches up with practice when the police are confronted with a mysterious murder. After returning from vacation, the Krüger family finds the waterlogged corpse of a Vietnamese man in their bathtub. The case is initially a mystery, the man's identity unknown, and the police have no leads.

The head of an insurance department is found brutally murdered in his office. The case is particularly sensitive for Daniel, as the deceased was the boss of his girlfriend Debbie Schwarz. It turns out that Thomas Schneider regularly harassed the women in the department. But is that enough to be a motive for murder?

A nuclear physics student collapses and dies in Professor T.'s office. For him, the cause of death is clear: acute radiation sickness. But how did she get irradiated? And why did she seek out T.? The deceased was an intern at a research facility, but the intact control mechanisms rule out radiation exposure on site.

At a meeting of a right-wing association, a member collapses dead with a knife in his back. Professor T. delves into a world marked by hatred of those who are different. The victim, Ben Grunert, was a neo-Nazi who was in prison until two years ago. But since his release, he had been leading a double life. T. confronts his mother to find out the truth about his father's death.