A flat as a human basic right and need; that is what Javier Pérez de Cuéllar, Secretary General of the United Nations spoke of in 1987. The trilogy “The Third Skin” is about the persons concerned on five continents: people searching for flats, architects, politicians, estate agents, homeless, UNO experts, construction workers, sociologists and social workers, street kids, pastors, philosophers and jurists. The reason for working on the documentary for two and a half years was the International UNO Year 1987 of Shelter for the Homeless