"Widower Kane Black is still ruinously married to his late wife, Lily. Grief has hollowed him . . . until he sees a woman with his wife's inimitable beauty on the streets of Manhattan. He whisks her up to his towering penthouse, protectively under guard, nestling her in dark opulence where Lily's memory is a possessive, beguiling force. Aliyah, Kane's mother, deals in science. There are too many questions, too few answers, and too much at stake. Lily...