The preserved remains of Voltaire's heart are kept in the National Library of Paris. How do we know they actually belong to the great philosopher? Roland de Luziers, genetics professor at the Sorbonne, is put in charge of the investigation. He never expected to encounter so many hurdles and surprises along the way. If he releases his finds, he will hit many raw nerves and reshape history. This award-winning novel is told through a series of emails.