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....

During a meal with a couple of friends, Patrick and Léa come across Clara, an inveterate seductress. For years, Léa has accused Clara of having stolen her previous fiancé. Patrick is surprised by his wife's behavior, but tensions subside and give way to a torrid reconciliation.