Hookers (2006)

Sin City exclusive Hannah Harper goes undercover as an investigative journalist to expose the dark and seedy underworld of illegal prostitution within L.A.'s high class escort services that cater to every twisted sexual fantasy of the rich and powerful. Using her prowess, she penetrates into the torrid lives of the cities most beautiful call girls. The late night blow jobs in the stretch limousines, the steaming hot lesbian encounters and the outrageous all night anal orgies begins to consume her, and she finds there is no escaping the tangled web of lust and perversion that has taken control of her and all her inhibitions, in this wild and sinful realm of the world's oldest profession.