Get inside the dark and twisted mind of a desperate woman consumed with not letting anyone know her business. Feel what it's like to be haunted by mocking voices, pushing you to do the unthinkable. Caroline Crowe seems to have everything. The penthouse apartment on Park Avenue, the clothes, the art...from the outside, her life looks perfect. On the inside, it's another story. Caroline lies awake at night devising the perfect murder. She brings her obsessive brilliance to the job, weighing the best options and savoring the details. Telling herself it's just for fun, just a way to pass the sleepless nights. But when her brother begins therapy and threatens to start revealing the family secrets, those plans become more than just a way to deal with insomnia. You're only as sick as your secrets. And Caroline's never, ever going to tell.