Call girl luxury, Maria has always hides the source of its income has her three young sisters on a day that she almost maternal solicitude and fill it with gifts for the return of each of his "missions".
But she will soon see that despite the moral precepts that their prodigal will smolder between the thighs of three young girls, who had not expected to indulge in the pleasures of sex the most extreme in the company of stallions in the neighborhood.
It is true that they have to take! That's what Maria discovers that surprises their father in the process of engaging in secret has forbidden games with the help of vicious young women tame.
Then, for the most confusion, a wealthy owner, Giovanni, asks her to marry him ...