Aldebaran (1935)

a young naval officer, jealous of his beautiful but frivolous wife, impatient with married life, cannot calmly devote himself to his duties. after having committed a serious deficiency and refused a mission to be able to stand by his wife and watch her, he decides to resign, disappointing his father's expectations, a retired rear-admiral. but the sinking of a submarine and the heroic death of the whole crew, in which there was a very dear friend of his, recall the officer to the sense of duty by withdrawing his resignation and accepting the proposed mission.