Shae-Lynn Penrose drives a cab in a town where no one needs a cab--but plenty of people need rides. A former police officer with a closet full of miniskirts, a recklessly sharp tongue, and a tendency to deal with men by either beating them up or taking them to bed, she has spent years carving out a life for herself and her son in Jolly Mount, Pennsylvania, the tiny coal-mining town where she grew up.