In the movie a pre-op transsexual transforms the movie into a movie where a transvestite in control of the man, engaging in anal sex with him

Main man wants to fuck and dominate his prey; he whips and sucks at his submissive slut. She then takes him from behind, giving him a very hard screwing. The slave is eagerly enjoying all kinds of battering and moans as the powerful shemale dominates him.