2060: online life has supplanted real life. “Despite transparency, we lie to you”: this slogan, which has just appeared on the walls of Paris, has the police worried. Sébastien Mille, an old volunteer cop, and his daughter, Commissaire Holly Mille, investigate the origins of this graffiti. Léonard Parvel, 13, is one of the taggers. Convinced that his missing father is a member of the Obscuranets, a revolutionary movement fighting against the proliferation of the virtual, he takes part in insurrectionary actions in the hope of finding his whereabouts.