Ce film dresse un portrait d’Étienne Klein à travers son amour de la montagne et des physiciens de la révolution quantique, la communauté intellectuelle qui l’entoure et sa passion pour l’enseignement et l’écriture.

Des scientifiques européens ont créé une machine qui permet de recréer les conditions physiques quelques fractions de secondes après le Big-Bang.

The sandman has paid you a visit. You sleep and dream that someone is making love to you. A man, just as real as in real life, moving back and forth inside you, as if you belonged to him forever. Day breaks and you realise with fright that it was not an erotic dream. Your thighs are moist, your skin is red in places, your stomach hurts and the sheets smell of sperm, sex and sweat. What happened? What was it? Did the Spirit of the Night visit you?