Emile is a good mechanic whose clientele is very loyal. A bit naive, he is bamboozled by a seller who manages to sell him the full trappings of the perfect fisherman. No sooner did he regret that he bought, frightened by his wife's reaction to such expenditure. But he plans to try it ...
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.