French actor Éric Caravaca confronts a mystery what happened to his parents' first child, Christine, who died at age three in Algeria before the director was born?French actor Éric Caravaca confronts a mystery what happened to his parents' first child, Christine, who died at age three in Algeria before the director was born?French actor Éric Caravaca confronts a mystery what happened to his parents' first child, Christine, who died at age three in Algeria before the director was born?