A haunting tale of intrigue from New York Times bestselling author Susanna Kearsley.

Although it goes against her workaholic nature, literary agent Lyn Ravenshaw lets herself be whisked off to Wales for the Christmas holidays by her star client, flamboyant children's author Bridget Cooper. She suspects Bridget has ulterior motives, but the lure of South Wales with its castles and myths is irresistible. Perhaps a change of scene will bring relief from the nightmares that have plagued her since the death of her child.

Lyn immerses herself in the peace and quiet of the charming Welsh village, but she soon meets an eccentric young widow who's concerned her baby son is in danger—and inexplicably thinks Lyn is the child's protector.

Lyn's dreams become more and more disturbing as she forms a surprisingly warm friendship with a reclusive, brooding playwright, and is pulled into an ancient world of Arthurian legend and dangerous prophecies. Before she can escape her nightmares, she must uncover the secret of her dreams, which is somehow inextricably located in a time long ago and far away...