Diana Hamilton is a strong, successful, wealthy woman. She owns the most discreet, exclusive and expensive private members club in Mayfair. But when she decides to expand beyond London she encounters two truly terrible brothers. They have made millions over the years, importing heroin, cocaine, ketamine and illegal immigrants. But they want more. And her business looks like a soft target. "What terrified him the most was the dentist chair and the straps - until he saw the metal rings attached to the ceiling and the rings in the floor below."