During the night of August 4-5, 1952, three Englishmen, Jack Drummond, his wife Anne and their daughter Elizabeth were murdered near their car near the farm of the Dominici family, in the commune of Lurs in the Alpes-de-Haute-Provence. Denounced by two of his sons, the patriarch Gaston Dominici was judged and condemned without any real evidence.

In Marseilles (France), skilled pizza delivery boy Daniel who drives a scooter finally has his dreams come true. He gets a taxi license. Caught by the police for a huge speed infraction, he will help Emilien, a loser inspector who can't drive, on the track of German bank robbers, so he doesn't lose his license and his dream job.