When Sienna Calloway discovers her husband's assistant has biometric access to their penthouse—but she doesn't—it's the final crack in a marriage she's been trying to save for years. Marcus is an executive who travels constantly, Jade is the ambitious twenty-six-year-old who anticipates his every need, and Sienna is the dutiful wife who's supposed to smile through it all. But Sienna has been watching, waiting, and documenting far more than Marcus realizes, and she's not the fragile society wife he thinks she is. When their six-year-old daughter asks why everyone keeps secrets, the carefully constructed lies begin to crumble—and Sienna activates the escape plan she signed in secret months ago. Marcus has no idea his wife already has one foot out the door, or that the evidence she's gathered will destroy everything he's spent the last year building.