In September 2021, France will celebrate the 40th anniversary of the abolition of the death penalty. A decision so powerful that it will symbolize François Mitterrand's first seven years in office. For Robert Badinter, it was the fight of a lifetime, rooted in a personal history marked by a rejection of injustice that began after his father's arrest by the Gestapo in 1943. A story told through archives and by his family and closest friends.