In the wake of her beloved husband's death, a young widow had rediscovered happiness under the care of the dashing Marquess of Silverthorne. But she was scandalized when he asked her not to be his wife, but his mistress! While pondering how to handle the situation, the widow is guided by an ethereal form who visits her in her dreams, leading her into the wilds of the Marquess's estate. Will she discover the dark secret behind his refusal to enter into matrimony, and can she deny the passions her lonely heart cries out for?