Before she really knows what she's done, Nat has opened Cressida's mail . . . and taken up her life. Soon Nat's dating a gorgeous investment banker named Simon, giving "reiki healing sessions," wearing wonderful clothes, and partying with the A-list at Soho House. But the best part really is Simon. He's everything Nat has ever wanted. The problem is he thinks she's someone else. And as her life and her lies begin to spiral out of control, Nat can't help but wonder: Will she be exposed as a liar and a fake-or be saved from ruin by simply claiming good intentions. . . .