"DCI David Brock and DI Kathy Kolla, of Scotland Yard, find themselves pulled into a case of murder, a mysterious death among the houseboats that line the canals around greater London DI Kathy Kolla of Scotland Yard is called in as a matter of course by the local Paddington police when a woman turns up dead in what appears to be an accident. On her houseboat, Vicky Hawks is found by one of her neighbors having apparently succumbed to carbon monoxide...