Millions are fans of Diana Gabaldon's popular books and television series, but few know that Gabaldon's fictional was inspired by a real Scottish castle, Castle Leod. The two sisters who lived there at the turn of the twentieth century were among the most fascinating and talked-about women of their era. Lady Sibell Mackenzie is a spiritualist, a believer in reincarnation, and a popular author of mystical romances. Petite and proper, she values tradition and duty. Her younger sister Lady Constance, swimming champion and big game hunter, is a statuesque beauty who scandalizes British society with her public displays of Greek-style barefoot dancing. The differences between the sisters escalate into conflict after Sibell inherits their late father's vast estates and the title 3rd Countess of Cromartie. But it is the birth of Sibell's daughter that sets in motion a series of bizarre and tragic events, pitting sister against sister and propelling Sibell on a desperate mission to challenge the power of fate. , by award-winning author Elizabeth Hutchison Bernard, is the emotionally charged story of two sisters torn apart by jealousy and superstition, and the impossible leap of faith that could finally bring them together.