Banksy is today a household name, his art and stunts attract intense media coverage and endless debates in all circles of society. The prevailing question dogging him, however, is not about his art, but something much more basic - who is Banksy? How can someone so provocative, who stirs up so much emotion manage to stay so hidden? Aurelia Rouvier and Seamus Haley present several theories... their inquiry leads us on a winding journey all over the world and into the weirdest corners of his work.