"The most faithful version of the E. Phillips Oppenheim novel, with a 'Hound of the Baskervilles' sub-plot and effective use made of the Frankenstein castle sets." --W.K.E. Edmund Lowe is featured in two roles--as the hero, the Earl of Dominey, and as his sinister spy-nemesis, Leopold von Ragenstein, who assumes the Earl's place in an English castle and brings along his own haunting spirits.