Cornwall, England, AD 1139. Emma has been wed by proxy to Lord Dain of Penruan, who does not want a wife, but must obey King Henry I, who insists that an old feud be resolved. Determined to make Dain care for her, Emma tries to improve the lives of the folk of Penruan Castle. But Dain’s mother hates her new daughter-in-law. How can Emma reveal her darkest secret, that she can work magic?
