Unfaithful 3 (2008)

When Nelly discovers her lover is a serial cheater she loses herself in a subverted emotional frenzy. Having never been with another woman, she now wants to taste the mistress who caused her lover's infidelity. Having breathed a fresh scent she suddenly finds a new inner-self, and a new hot-blooded sexuality as she becomes the adulterer. Lost in a succession of affairs the two women are driven apart by desires and passions neither can understand nor control.