As a young man Leon Nader suffered from insomnia. As a nightwalker he even turned to violence
during his nocturnal excursions and had psychiatric treatment for his condition. Eventually he
was convinced he had been cured - but one day years later Leon's wife disappears from their
flat under mysterious circumstances. Could it be that his illness has broken out again? In
order to find out how he behaves in his sleep Leon fits a movement activated camera to his
forehead - and when he looks at the video the next morning he makes a discovery that bursts the
borders of his imagination. His nocturnal personality goes through a door that is totally
unknown to him and descends into the darkness....
