A scientist eager to test his machine that change people's character transforms a poor bank teller from shy guy into a bully and finally kleptomaniac.
Once their military service is over, the instrumentalists of a regimental orchestra find themselves in civilian life and decide to run a hotel themselves on the Côte d'Azur.
Satire of publishing circles, featuring a ferocious boss, Moscat, a successful but handsome author, Maréchal, another successful but bitter author, Bourgine, a writer plagued with ambition, Brégaillon and the hero, Marc Fournier Zola Prize winner. Naive, the latter quickly becomes formidable, especially since his wife's infidelities have provided him with the material for a new novel.
