Broken Lullaby (1932)

Director: Ernst Lubitsch
Cast: Frank Sheridan, Lionel Barrymore, Louise Carter, Lucien Littlefield, Nancy Carroll, Phillips Holmes, Tom Douglas, Zasu Pitts

Synopsis:

A young French soldier in World War I is overcome with guilt when he kills a German soldier who, like himself, is a musically gifted conscript, each having attended the same musical conservatory in France. The fact that the incident occurred in war does not assuage his guilt. He travels to Germany to meet the man’s family.