Sherlock Holmes and his friend Dr. Watson are called upon to investigate the disappearance of a wealthy man who has been reported missing by his daughter. Mr Gibbon had spent hard years in Canada during his youth, risking his life to secure his future. He had recently spent a fortune on building an elaborate crypt for himself, but had made it clear that he wouldn't spare a penny for his son and daughter. Much to his son Cedric's disgust, and in a rage, his son almost strangled him to death, but his daughter had stopped him just in time. But now her father has vanished completely, and Cedric is nowhere to be found either...