An experimental submarine, the “Siren II”, with a very experienced crew is sent to find out what happened to the “Siren I” after it mysteriously dissapeared in a submarine rift. Things go awry when they begin to find things that shouldn’t be there…

Count Dracula’s pregnant granddaughter arrives at his castle, along with her husband, who is not a vampire. While she prepares to give birth to a new member of the Dracula line, her husband secretly launches into a series of affairs with the Count’s resident “brides.”