Going through the archives where he stocked all the tales of his dreams, relating them to objects or images that stayed close to him after his death. This film introduces us to Michel Jouvet. Discoverer of the paradoxal sleep and searcher passionated about the studies of dream., He created a portrait of his interior world, the struggles of his scientific researches and the tragedy that marked his life. This is a cinematographic approach of this intangible and prospering thing that was, from Jouvet’s perspective the base of our Profond Identity : Dreams.