Crying Wolf — Peter Abrahams

For Nat and his new friends, Grace and Izzie Zorn. twin sisters as seductive as they are elusive, it was the perfect plan for some quick cash. A bold scheme with an admirable motive: to save the bright future of a deserving young man. And the victim, too, was deserving -- an arrogant billionaire who would hardly notice a financial loss. All the plotters needed was a believable story, desperate and frightening, but false. Nothing bad was supposed to happen. They were only crying wolf. But what if the wolf were real? For someone in the shadows is listening, someone who thinks he deserves an even brighter future. Now a risky but basically innocent game will take a horrifying turn....