Surrogate mother Olga, having lost her husband and children in an accident, as well as the chance to become a mother again due to an operation during her last birth, is going through a painful period. A year ago, Olga gave birth to twins, but the procedure was done anonymously, so she does not know the parents by sight. But meeting the spouses Dmitriy and Tatyana Vakhrameevs makes her suspect that their children are her own. To confirm this, she gets a job as a nanny for the Vakhrameevs.
