Not My Sister

When Dunya's husband leaves her, she realizes that she is completely alone and has no one to turn to for help. Her mother has passed away, and she barely knew her father, Mikhail Stolyarov, a renowned aircraft designer. Dunya was born out of wedlock, while he had another family in Moscow all along. His legitimate daughters, Katya and Varya, grew up unaware that they had a sister. Desperate, Dunya decides to turn to her father for help, only to discover that he passed away forty days earlier. She travels to Moscow, but is met with hostility from the very beginning. The Stolyarov family is convinced that the young woman has not come into their lives without an ulterior motive.