The stairs lead to a door closed from the outside, but somehow, the thief ran through him. The first" Museum of the workers accepted that the official photographer was shooting at the figures on the painting in his Studio. Day and night passed and the next day, they realized that the precious work of art was absent. It was the beginning of a huge international search for missing Mona Lisa. The only clue was the discovery of heavy frame of the painting, discarded on the stairs. There were in contradiction of the rumours in the Newspapers; Mona Lisa was now in Switzerland, South America, or in a small apartment in the Bronx, new York. No one knew who really committed the crime and how