In the oyster and fishing town of Arcachon, one man doesn't want his adopted son to get married to the daughter of his rival, and he suspects a dark underlying secret.
Gendarmerie Brigadier
Boss of the cafe
Inspector
Clerk
Investigating judge
Arquebuse
Marie-Louise Rocheteau
Clovis
Rocheteau
Lucette
Domanger
Jean
Old fisherman
Arquebuse's sister
Coustus