Fièvres (1942)

Despite a perfect marriage and a superb career as a singer, Jean Dupray cheats on his wife. She dies while listening to the song he dedicated to her, "Maria". He then retired to the south where he led a life in complete anonymity. But his best friend's fiancé recognizes him and seduces him. Following a fight with his best friend, he decides to return to order by becoming a monk.