A disorderly couple organizes a "sexy party" and waits for its guests. There come an innocent and lovely girl. The couple takes a perverse pleasure in abusing her and then locked her in a trunk from which she can follow the course of the evening. The "celebration" begins. One of the participants discovered the presence of the girl. To the astonishment of all, she admits having taken taste to the show and asks for the "celebration" to continue, with her..