After a chaotic night of rioting in a marginal suburb of Paris, three young friends, Vinz, Hubert and Saïd, wander around unoccupied waiting for news about the state of health of a mutual friend who has been seriously injured when confronting the police.

While the Civil War rages on between the Union and the Confederacy, three men – a quiet loner, a ruthless hitman, and a Mexican bandit – comb the American Southwest in search of a strongbox containing $200,000 in stolen gold.