In 1968, Silvio Amadio directed L'isola delle svedesi (Island of the Swedes) (1969), the story which bordered on the dramatic and erotic genre about two lesbian women and the arrival of a third party in their menage, a young boy, which leads to tragic consequences. The script was by Roberto Natale, who had already worked with Mario Bava and who went on to write Peccati di giove...