Hortense is a woman controlled by duty and haunted by her past during the day....but by night she is Julianne, personification of her repressed inner child, at night she sleep walks and explores this forbidden world of her true self. Beniot, a reclusive insomniac syncronistically meets Julianne as she sleep walks. They begin to interact as she sleeps and he cannot. Neither of them realizing how they are slowly changing each other...