Alain, a real estate agent, is invited with his girlfriend to one of the erotic evenings of his boss, Philippe. The young employee knows well that the last of these sexual games almost ended badly, but his curiosity pushes him to accept.

Salomé et Cyril are studying in an engineering college. They invent a machine "The Hemisphere", capable of removing all inhibitions.Unable to find someone to test the machine, Salomé agrees to test herself the machine.She is projeced in a corridor with doors opening on erotic scenes in which she evolves without any inhibition....