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....

In order to preserve her relationship with Romain, Aurélie is convinced that she must make him forget his previous conquests. She proposes to stage every erotic experience he has lived with his former girlfriends and to throw away the corresponding picture from his photo's album if she does better than the ex-girlfriend ...