"Your sister is going to hell, Jack Nightingale." Somehow, variations of that line keep former police negotiator Nightingale's life careening in wild, unforeseen directions. This time, it is uttered by a dead woman hanging over a staircase, her neck broken by the laundry cord she tied around it before tossing herself over the banister. But Jack and his sister have been separated since birth...How can he save someone he's never met? Nightingale...