Returning home from work, Pavel Chernov finds a sister who came to visit Nyutochka. Elka confesses to her brother that her family life has gone awry. Tanya Larina successfully develops a career in film, she writes a gramophone record. Nikita Zakharzhevsky, who came to Moscow, realizes that Larina's popularity is becoming an obstacle to their relationship. Here in Moscow, Tanya Zakharzhevskaya, fulfilling Archimedes' instructions, will find out that they come from miraculously "revived" Sherov, whose death, however, she never fully believed ...