As 1929 draws to a close, New York City detective Johanna Kelly is tired, body and soul. It's not just because of her male colleagues' bad attitudes. Soon her growing pregnancy will be revealed, and she will be fired. But until that happens, Kelly is still on the job. A few months ago the market crashed. Now a killer stalks the city's affluent citizens. Kelly's investigation takes her through seedy streets and wealthy homes to a smooth talking businessman and the past-her-shelf date shopgirl who loves him. Is there a connection between this odd couple and the murders? Or is Kelly trying too hard to find one because she fears failure? As the homicide count rises, Kelly races to solve her last case via the emerging science of firearms forensics. But time is running out, both for her and the next victim...