The London vampire

When Detective Charles Maddox is requested to look into the mysterious Baron Von Reisenberg, he welcomes the chance to trade London streets for a castle in the Viennese countryside. Though the Baron is the subject of macabre legends, Maddox doesn't care for supernatural beliefs. That is, until the foreboding shadows of the castle haunt him with nightmares and he is plagued by a series of disturbing incidents.