With the help of a hidden twin sister, a couturier tries to take revenge on his wife who cheats on him with his partner.

Gaullish custom requires that a would-be chief must challenge and defeat another to become the leader of two tribes. Vitalstatistix is not perturbed because of Getafix's magic potion. Getafix, however has an accident and forgets how to make it. Then Vitalstatistix is suddenly challenged.

January, 1920. 350,000 French soldiers remain missing in action. Major Dellaplane tirelessly matches the dead and the wounded with families' descriptions. Honor and ethics drive him; he hates the idea of "the unknown soldier." Into his sector, looking for her husband, comes a haughty, politically connected Parisian, Madame Irène de Courtil. Brusquely, Dellaplane offers her 1/350,000th of his time, but as their paths cross and she sees his courage and resolve, feelings change. After he finds a surprising connection between her missing husband and a local teacher, Irène makes Dellaplane an offer. This man of action hesitates: has he missed his only chance?

Lili, a pouty and voluptuous 14-year-old, is caravan camping with her family in Biarritz. She's self-aware and holds her own in a café conversation with a concert pianist she meets, but she has a wild streak and she's testing her powers over men, finding that she doesn't always control her moods or actions, and she's impatient with being a virgin. She sets off with her brother to a disco, latching onto an aging playboy who is himself hot and cold to her. She is ambivalent about losing her virginity that night, willing the next, and determined by the third.