Come Kaspar Hauser

1828: in a square in Nuremberg, Germany, a befuddled, scared boy appears. He can say only a few words, including what seems to be his name: Kaspar Hauser. After having learned to read and write with great difficulty, he tells his incredible story: somebody kept him segregated in a dark room for 12 years, without any contact with the world outside. 2020: Who is the man who “appeared out of thin air” and seems to have had the same experience as Kaspar Hauser? Is there a connection between the two individuals?