On January 20, 1942, the Wannsee Conference takes place in Berlin, a meeting that had only one item on the agenda: The Final Solution, the organization of the systematic mass murder of eleven million European Jews.
20 volunteers agree to take part in a seemingly well-paid experiment advertised by the university. It is supposed to be about aggressive behavior in an artificial prison situation. A journalist senses a story behind the ad and smuggles himself in among the test subjects. They are randomly divided into prisoners and guards. What seems like a game at the beginning soon turns into bloody seriousness.
Eager to make his name in 19th-century Vienna, a hungry young Sigmund Freud joins a psychic and an inspector to solve a string of bloody mysteries.