Bound together by poverty,grief and their shared years at school,they set out to make a future for themselves in new surroundings.They are adopted by austere,puritanical Reverend Pennhallow and his wife,and it their large,gloomy house they become immersed in study.But,after a chain of disturbing events,it does not take long before they realize that the cleric and his wife are not all they seem to be...