When his father passes away, a dentist in Paris inherits a plot and the will to build a house on it. The situation becomes tricky when he learns the plot is located in Corsica.

Fred, Achille, Max and Belette form a good-for-nothing gang of crooks. Dismally failing their last raid, they decide to get back in the game, kidnapping Sophie Marceau.

Based on a true story : the discovery of Lava's treasure, in 1985 near Ajaccio.

Bonifacio 1883, extreme south of Corsica. The widow of the late Saverini lives in an isolated house near the cliffs, with her only son Antoine, and her dog. During the day, she assists women giving birth in town. One night her son is killed in a clash. The murderer flees to Sardinia. Her world falls to pieces.