The Return of Martin Guerre

Le retour de Martin Guerre is a movie starring Gérard Depardieu, Nathalie Baye, and Maurice Barrier. In medieval France, some villagers challenge a man's claim of identity when he (as he says) returns home from some time in the army.
Village of Artigat, southern France, summer 1542, during the reign of Francis I. Martin Guerre and Bertrande de Rols marry. A few years later, accused of having committed a robbery, Martin suddenly disappears. When, almost a decade later, a man arrives in Artigat claiming to be Martin, the Guerre family recognizes him as such; but doubts soon arise about his true identity.