A double homicide in a hotel parking garage in Columbia, South Carolina, is proving to be troublesome to investigators. The female victim is found shot in her car; the male is a rent-a-cop, paid to protect the parking garage from breakins and bandits. They had nothing in common, and although the brutality of the killing points to a hit, lack of evidence points to a more random act.The Irish DuoDetectives Kevin Riley and Walter Murphyare called to the scene. The woman is soon identified as Barbara Pinkham, assistant head nurse at a local medical clinic. As a matter of protocol, on scene officers make note of all nearby license plates. A vanity plateI See Uleads Riley and Murphy to the doorstep of one Raphael Bonsante. Is there a connection between this married man and the dead woman? The spotlight is on Raphael when the detectives begin to suspect he was having an affair with Ms. Pinkham. They wonder if she planned to tell Raphaels wife, and maybe he wanted to shut her up. The scandal deepens, however, as Raphaels wife and an entire medical practice are put under the investigative microscope. The murderer might have left no clues at the scene, but where revenge is involved, people get sloppy.