Doris Regina gets rough in Die Nackten Superhexen vom Rio Amore (1981)(5:12)

The owner of an expensive hotel lures girls into a brothel for sadomasochists. They are tortured into serving wealthy clients and fulfilling their most perverted desires. The sister of one of the kidnapped gets on the trail, but she herself falls into the clutches of the mafia... Then, as always, there are chases, shootouts, rapes, torture and beatings, everything that the heroines will have to go through on the way to freedom...