Ariane, Russian girl

In Russia, Ariane, 17, no longer has her mother and lives with her aunt Varvara who finds her with her own lover. She tells Ariane to go to college. Ariane agrees, but she refuses Varvara's help and goes to Moscow. She falls in love with the rich Constantine. At the end of the lessons, he takes him to Crimea for 15 days and then leaves for 3 months in New York. When he returns, she will live at home. She confesses that she sleeps with a man during the holidays and that he pays for his studies. He leaves her but at the last moment, takes him with him.