Kings & Queen(2004)

Original title: Rois et Reine

Shortly before her wedding, art gallery director Nora travels from Paris to Grenoble to visit her preteen son, Elias, who is spending time with her aging professor father, Louis, recently diagnosed with terminal cancer. During her stay, she reaches out to her former lover, Ismaël, a viola player and father figure to Elias who has been committed against his will to a mental hospital. Ismaël, however, has his own problems to sort out.