Let go from the Beantown police force for insubordination, six-foot-tall, redheaded ex-cop, part-time taxi driver, and neophyte private eye Carlotta Carlyle is ready for business. Her first client is the genteel and elderly Margaret Devens, whose brother, Eugene, one of the last in a handful of Boston's aging Irish cabbies, has suddenly vanished. The case should be a cinch. Carlotta knows the territory. She even knew Eugene. But when Margaret is attacked, Carlotta fears the disappearance is just one hitch in a bigger scheme. Trolling the local pubs for clues isn't going to hack it. Especially when she finds herself at odds with the FBI and a Mafia-connected former lover. As a moonlighting cabbie, Carlotta knows the streets well. But even she has no idea just how dangerous a route she's taken...