Synopsis: SF Encyclopedia: An occult romance. Encyclopedia of Feminist Literature, by Mary Ellen Snodgrass: The love story tells of Harold Dartmouth's passion for the Welsh noblewoman Weir Penrhyn and for the revenant spirit of Lady Sionèd Penrhyn, Weir's deceased grandmother. ... The story progresses to a dark night when Dartmouth encounters the cause of their unusual mental states--the appearance of Lady Penrhyn, his grandfather's lover, who floated millions of miles to locate Dartmouth. When day dawns, the spirit merges with the body of Weir.