Composer Enrid Damor knows nothing of the past life of his new wife Eve Dinant : she lived as a debauchee with an adventurer, Fred Ryce. Fred Ryce meets Damor's daughter, Claire, and tries to marries her. He blackmails Eve. Enric learns something about her and Fred and composes a symphony to express his pain... The Tenth Symphony is considered the first major film of the Impressionist movement.

The story of two men, one married, the other the lover of the other's wife, who meet in the trenches of the First World War, and how their tale becomes a microcosm for the horrors of war.