A sultry Brazilian couple, eager to spice up their marriage, invite a handsome young man into their home for a night of uninhibited swapping. The wife, a morena with a luscious body, can't keep her hands off the new cock, while her husband, a military man, struggles with his jealous impulses. The room fills with their moans and the wet sounds of flesh on flesh as they explore each other's boundaries, pushing the limits of their marriage and their sanity.