A young spectacular woman Svetlana with her 10-year-old daughter Galya settles in an old elite house. It turns out that she ran away from Paris from her ex-French husband, who is going to take her daughter away from her. One of the neighbors, the famous antiquarian Andrei Kovalevsky, has a son who is the same age as Galochka. Children very quickly find a common language, which brings together their mothers - Svetlana and Irina Kovalevskaya. Soon Andrei, wanting to help the unfortunate neighbor, takes her to work in his antique salon. This will give Svetlana arguments for the French court to keep her daughter with her. The relationship between Kovalevsky and Svetlana very quickly turns into a romantic course, which Irina immediately understands. The usual love triangle? Not at all! Since an international swindler, FSB officers, the allegedly lost masterpiece of Kazimir Malevich and the disease of Kovalevsky's son, which is exacerbated by overexcitation, will intervene in the story.