Jules, a young Parisian postman, secretly records a concert performance given by the opera singer Cynthia Hawkins, whom he idolises. The following day, Jules runs into a woman who is being pursued by armed thugs. Before she is killed, the woman slips an audio cassette into his mail bag...

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.

On New Year's Eve, among the tower blocks of a huge housing estate in Paris, strange people - each for a different reason - are looking for the home of a man called Bob.

They're broke and they're going on vacation in a cave, an economical solution...