Katya Lyubimova last saw her father in distant childhood and therefore practically does not remember. But one day a vaguely familiar man appears on the threshold of her apartment and tells her that he is her “parent” and he immediately needs jewelry that has been passed down in their family from generation to generation. Shortly before his death, Katya’s grandfather hid the valuables so that they would not fall into unreliable hands. And, of course, if anyone can find them, it’s only Katya...