An Italian businessman is attempting to secure land and funding for a project from a wealthy woman, the Contessa Papas. He has a sexual encounter with her, believing it will guarantee his success, but then she demands that he marry her daughter, who is a teenager and appears mentally quite young. To avoid this marriage, he develops an intricate plan: to have the girl abducted and assaulted so that he can claim she isn't a virgin and obtain an annulment (and did I mention this is supposed to be a comedy?). The material is genuinely unsettling, though not because of the kidnapping and assault plot—which quickly falls apart. It might seem odd for a middle-aged man to dread marrying a young woman—and the then eighteen-year-old Savoy was certainly attractive. However, her character consistently behaves like a toddler throughout much of the film; she sucks on the lead’s thumb and becomes upset when he removes it, she laughs and squirms during bath time, and so on. Of course, she isn't always childlike—at times she seems flirtatious or even overly sexual, and eventually he finds himself drawn to her. If viewed simply as an absurdist comedy, it’s not terribly problematic. But if intended as something erotic, it becomes quite disturbing unless you have a particular interest in female "adult babies." (If you enjoy your wife or girlfriend acting like an 18-year-old student, that's unusual. Dating an 18-year-old isn’t against the law. However, if you have an eighteen-year-old girlfriend and want her to pretend she is two years old, I would suggest there are some underlying issues.). Savoy later appeared in a couple of Tinto Brass films, "Salon Kitty" and "Caligula," where she also had nude scenes, but did not exhibit the same childlike behavior. Lattuado, like many French and Italian directors from that period, seems to have a “Humbert Humbert” complex—he also directed "Dulce Enganni," in which Catherine Spaak portrays a schoolgirl involved with an older man, and "Stay the Way You Are," where Marcello Masroanni has an affair with a seductive university student, Nastassia Kinski, who may even be his daughter. He was generally considered a sophisticated director, and his films are typically funnier and less disturbing than their descriptions might suggest. I’m not entirely sure about this one, though.

Source on TMDB