From best-selling author Jane Green comes a stunning new novel about a shattered marriage and a devastating betrayal. Grace Chapman has an enviable set-up, living comfortably with her husband on the Hudson River. Then Ted advertises for a new assistant, and Beth walks into their lives. Organized, passionate and eager to learn, Beth quickly makes herself indispensable to Ted and his family. But Grace soon begins to feel sidelined in her home - and her marriage - by this ambitious younger woman. Is Grace paranoid or is there more to Beth than there appears?