Follow the gripping story of a private detective and a defense lawyer as they navigate the complexities of the justice system in Frankfurt. With false testimonies, remand prisons, and the high-stakes world of big city life, they must work together to uncover the truth.

A scientist who swore off playing chess after a nervous breakdown as a boy wunderkind, creates an undefeated chess program. But the Russian world champ beats Tommy Rosemund's masterwork in a televised match. So the West German mathematician becomes a top chess pro himself, which the West German media boast will prove the superiority of Germany and democracy. The jowly, white-faced Rosemund believes that the entire Red Communist bloc is out to stop him from vanquishing their atheist pretty boy, Stefan Koruga, to become the next Bobby Fischer and a symbol that capitalism is preferable to socialism.

A young engineer is supposed to do surveyings for a projected nuclear power station in an economically under-developed region and encounters strong opposition by the population. He realizes that the inhabitants are influenced by strange parapsychological occurences released by an elderly man, who also seems to dominate Walpurga, a young woman the engineer falls in love with.