The murder of the well-known Frankfurt high-class prostitute Rosemarie Nitribitt kept the Federal Republic in suspense at the time, but the crime could never be solved. Although almost twenty years have now passed, the unpleasant matter for those involved at the time comes back on the table, because Annemarie Meier-Wippertal, the daughter of the murdered, causes unrest as she wants to solve the murder of her mother.

A disillusioned Wehrmacht officer named Colonel Claus von Stauffenberg and his co-conspirators attempt to assassinate Adolf Hitler on 20 July 1944.