Mohand-Said Ait-Taleb is an enigma. Living in France but ravaged by memories of the war in Algeria, he has withdrawn into his own world, away from his wife and children. When his son Xavier discovers articles by Albert Camus describing the appalling conditions his father grew up in, he starts to piece together the story of his life.

Xavier retraces the steps of this dignified, illiterate and strong-willed man: from Kabylia - where starving children, like Mohand-Said, fought with dogs for scraps - to the metal factory in Normandy, where his father would spend the rest of...