The true story of Henry IV, the unloved “good king”. How, in a kingdom torn apart by religious wars, Henry IV- Did he legitimize his power? What was his relationship to Protestantism after his conversion to Catholicism? How was the myth of “ good King Henry” built after his death? To talk about it, Stéphane Bern receives Jean-Christian Petitfils, historian, biographer of the Bourbons, and author of a biography "Henri IV" (Perrin)