A Man and A Woman (C. Lelouche, 1960)

A young widow, Anne Gauthier (Anouk Aimée), is raising her daughter Françoise (Souad Amidou) alone following the death of her husband (Pierre Barouh) who worked as a stuntman and who died in a movie set accident that she witnessed. Still working as a film script supervisor, Anne divides her time between her home in Paris and Deauville in northern France where her daughter attends boarding school. A young widower, Jean-Louis (Jean-Louis Trintignant), is raising his son Antoine (Antoine Sire) alone following the death of his wife Valerie (Valerie Lagrange) who committed suicide after Jean-Louis was in a near fatal crash during the 24 Hours of Le Mans. Still working as a race car driver, Jean-Louis divides his time between Paris and Deauville where his son also attends boarding school.

(Source : en.wikipedia.org)