L'Oasis des filles perdues

The name of this movie is L'Oasis des filles perdues released in 1981-02-08 and it's main theme is Freewheeling female friends Annie and Nadine are snatched during a night of rump-shaking discotheque shenanigans by an evil slavery ring. Drugged and gagged, the gals wake up in the Oasis, a clandestine bordello nestled deep in the African Congo where they - and a gaggle of girl prisoners from all over the world..