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.
In a college, three friends form a secret society. Their objective - going to America. One night, after one of their secret meetings, one of them sees a man coming out from a wall. The next day, after he talks about it, he disappears. Then, the second one vanishes. Are they gone to their dreams? That's when the art teacher is murdered. Suspicions now are too high so the third one decides to investigate.
François Cardinaud is one of the richest shipowners in the region. But this success arouses resentment and jealousy. When Marthe, his wife, leaves the home without warning, Cardinaud sees her life cracking little by little.
