October 2013: for one month, Paris became the world capital of street art. A 10-story abandoned building, covered with more than 400 works of art. Over the course of six months the Galerie Itinerrance invited 100 artists from around the world to take over every square meter of the Paris Tower 13, secretly and wanting nothing more than to share their work, determined to exhibit their artworks as a street art manifesto. Over 30 days, the world rushed to the Paris Tower 13. Despite a huge success, nothing will prevent the tower from destruction. An immersion in the process of radical art creation, with the exclusive and final testimony of the artists who made the project happen.