Thierry has left Switzerland and lives in France: he is ethnologist specialized in the Laplanders.Now he returns to Switzerland with his companion Sophie for the burial of his grandmother.He meets again his family and discovers that he has inherited 2 millions of Swiss francs.But to get this inheritance he must prove that he is able to adapt himself to the values and the way of living of Switzerland.A Swiss friend, Aloïs, will give a special training for the final examination.