 Boxer is found not guilty, and instead of returning to work right away, goes back to Half Moon Bay, determined to solve the recent murders.She is only there a day when the killers leave her a message by shooting up the house.She gets out and follows more clues, discovering that pornography was the common denominator; all stricken families had been victims or producers of porno videos; then finally catches up with a guy who has been following her, a Keith Howard, who had sold her a car and who she liked a lot until then.