When his mother spoke, Ernest remembers, everything sounded important. “I cling to her light,” he tells us in voiceover, an adult remembering how that felt. The Ernest he is recalling is just a little boy (Milan Doucansi), snuggled against Rose (Annabelle Lengronne, a wonderfully vivid presence), with his grave and clever older brother Jean (Sidy Fofana) sitting opposite on a train taking them from Cote d’Ivoire to a new French life.