A mad killer is loose in Venice's catacombs. He attacks the beautiful women, releasing them into the underworld, kill them and then stop them and add them to his "collection".
Art professor Nino Rolfe attempts to break down his wife Teresa's conventional modesty. Noticing her affection for their daughter's fiancé, Nino instigates her sexual interest in him - setting off a chain of unexpected events and emotional complications...
