A mischievous wife, 'safadinha', teases her husband with her newfound sexual prowess, inviting a friend to join them in their marital bed. As they undress, the husband's cock grows harder, anticipating the double pleasure. The wife, now a 'casadinha', takes charge, guiding her husband's cock into her friend's willing mouth while she grinds on his shaft. The room fills with moans and wet sounds as the husband's fantasies come to life.