When the beautiful woman you've longed for since boyhood calls and asks you to find her missing sister, what do you do? If you are Isaiah Quintabe - IQ to his friends - you'll do everything you can. The girl, an erratic DJ and gambling addict, has gone missing in Las Vegas - with a frightening loan shark, Chinese Triad gangsters, and her own deadbeat boyfriend hot on her tail. But IQ's search takes an unexpected turn when he meets a criminal mastermind who knows something about the murky circumstances surrounding his own brother's death...