West Germany in the 1950s is becoming an economic superpower and in such a climate, Rosemarie is just one of many entrepreneurs who wants her share. She uses her charms to bring members of the West German industrial elite to her bed. There she discovers business secrets and later sells them to the French competition. However, in the end Rosemarie finds that she can't beat the system. The story is based on a real-life call girl whose predilection for blackmailing her high-profile customers ended with her mysterious death in 1957.