L Angelo Del Male — (1938)

A doomed love affair develops between Lantier and Séverine. Trapped in a marriage with a man she now fears, Séverine attempts to manipulate Lantier into killing her husband. However, Lantier’s inner "beast"—his uncontrollable violent impulses—takes over. Instead of killing the husband, his madness leads to a tragic and violent confrontation with Séverine, ultimately resulting in his own destruction. Key Details of the Film L'angelo del male (1938) - IMDb

The drama begins when Lantier's colleague, the stationmaster , discovers that his young wife, Séverine (played by Simone Simon ), was once seduced by her wealthy godfather. Consumed by jealousy, Roubaud forces Séverine to help him murder the man on a train—a crime that Lantier witnesses but chooses to keep secret because he has fallen for Séverine. L angelo del male (1938)

The narrative follows (played by Jean Gabin ), a train engineer who suffers from a hereditary psychological condition that drives him to fits of violent rage. He finds solace only in his work and his love for his locomotive. A doomed love affair develops between Lantier and Séverine