"Monsieur Lazhar" is a Canadian film directed by Philippe Falardeau, released in 2011. The story follows Bachir Lazhar, an Algerian immigrant who becomes a substitute teacher at a Montreal elementary school after the tragic death of a beloved teacher. As he navigates the challenges of his new role, he also deals with his own past and the cultural differences he faces in the classroom. The film explores themes of grief, loss, and the impact of trauma on children. It highlights the relationships between Lazhar and his students, as well as the struggles of the school staff to cope with the emotional fallout from the tragedy.