Nadia Solovyova, a single mother, barely survives, working at two jobs to support herself and her beloved daughter, Polina. One day she receives an unexpected offer from the couple of the Korenevs for whom she works as a housemaid: to be a surrogate mother of their future baby. Despite a good money, Nadia refuses. However, tragedy soon happens in her life: Polina is seriously injured during preparations for a gymnastics competition. Nadya is in despair - her daughter may remain disabled forever if she doesn't have an expensive surgery in the nearest future. Nadia agrees to become a surrogate mother, unaware of what this decision will lead her in the future.