When a young woman's dead body is dumped in an underground parking lot with no apparent signs of injury, Da Vinci and the police are intrigued. Patricia's autopsy turns up surprising answers and Da Vinci's investigation draws him into the world of S&M. Someone with a lot of power is trying to manipulate Chief Coroner James Flynn and Da Vinci into keeping the facts and the faces of those involved with Mistress Harriet hidden.