Cavalcade 2001 on netflix

Caroline, a professional horse driver, learns she has breast cancer. Avoiding dealing with it, she runs off to Switserland for a championship. Her husband, Julien, is a judge who has just given a young criminal, Pierre, leave for the day. On her way to Switserland, Caroline meets Pierre and brings him along as her horse groom. When Julien finds out about the cancer, he follows his wife to Switserland