With the publication of If She Only Knew, New York Times bestselling author Lisa Jackson introduced the Cahills, a wealthy San Francisco family—rich in money, twisted secrets, and hidden agendas. Now at the center of their tangled world is Marla Cahill—a woman with no memory of who she is, what she’s done, or why she could be the next to die . . .   It begins on a dark stretch of highway in northern California. Caught in a blinding glare of headlights, two vehicles swerve and