In 1772 England, Lady Keturah Banning Tomlinson and her sisters find themselves the heiresses of their father's estates and know they have one option: Go to the West Indies to save what is left of their heritage. Although it flies against all the conventions for women of the time, they're determined to make their own way in the world. But once they arrive in the Caribbean, proper gender roles are the least of their concerns. On the infamous island of Nevis, the sisters discover the legacy of the legendary sugar barons has vastly declined -- and that's just the start of what their eyes are opened to in this unfamiliar world.