Stone Barrington gets a taste of New York City’s devious upper crust in this “sleek and engaging”* mystery in the #1 New York Times bestselling series. Hired to prove infidelity in an heiress’s marriage, Stone Barrington goes undercover. But the work turns dirty—and catastrophic—when the errant husband is found dead and the other woman disappears without a trace. Now, Stone must clear his own good name and find a killer hiding among the glitterati of New York’s high society.