I guess the end justifies the means. At least that's what I believe. Most of the time'. After the accident, DC Cameron Stone had spent three months in intensive care before he could even recall what happened: the high speed pursuit of a vice baron through the night streets of Glasgow that had not only almost finished him but had taken the life of a teenage mother and her child. Then there'd been the message from Audrey on the back of a 'get well soon' card announcing that she had left him and taken their young son, Mark, with her. Booze, anti-depressants and therapy have all failed to enable him to resume his old job.So now Stone lives in a one-room flat in the worst part of town. He pays the rent by running errands for a private detective agency. His tasks include tracking down a teenage runaway and surveillance for a woman who thinks her husband is