From the #1 New York Times bestselling author of Collateral comes a gripping novel about a woman caught in a love affair that could be her salvation...or her undoing. Tara is gorgeous, affluent, and 40. She lives in an impeccably restored Russian Hill mansion in San Francisco. Enter Cavin Lattimore. He's handsome, kind, charming, and the surgeon assigned to Tara following a ski accident in Lake Tahoe. In the weeks it takes her to recover, Cavin sweeps her off her feet and their relationship blossoms into something Tara had never imagined possible. But then she begins to notice some strange things....