Arthur, Anne Marie Le Gal's son, is a school dropout. A teenager standards of a typical teenager, he isolates himself in his room and spends most of his days taking photos. photographs. Each snapshot he takes takes him into other spheres, allowing him to escape. escape. Unwilling to conform to his parents' imposed by his parents, Arthur decides to run away. Anne Marie and Pierre Le Gal are worried by his sudden disappearance. They decide to set off in search even though Pierre is reluctant and even thinks that running away will will allow Arthur to emancipate himself. In reality, Arthur finds refuge in the old store of his maternal grandfather, Georges, recently where he pursues his quest and his work through frescoes, books and perfumes. He decides to defend this unique heritage that his parents want to get rid of. So Arthur takes the time to immortalize what time will inevitably turn to dust. But isn't life itself just a mirage (Mirari in Latin)? What Are we really to each other? Anne Marie and Pierre Le Gal eventually find their child, but isn't it already too late?