The center of the events in the melodramatic mini-series "Voice from the Past" is the successful doctor Alexey Bazhenov. He loves his work and sincerely strives to help people. One day, Bazhenov meets a cheerful and positive girl named Alya. She has limited physical abilities, but this doesn't bother the young doctor at all. Alexey feels sympathy for her, but suddenly realizes that Alya was once his patient. Ten years ago, he unsuccessfully operated on this girl.