The famous writer Henri Croisé, ex Andreï Kustovski, learns of his wife's infidelity. This marital crisis coincides with a professional crisis. A happy emigrant from Russia, he cannot even suspect that, in his former homeland, a certain Christian Tara earns his living with his bestsellers, by reworking them from top to bottom. Henri leaves for Moscow to investigate this problem. He does not yet know that, under the name of Tristan Tara, hides a talented and charming woman...
