The twins Ulyana and Lisa are alike in everything except one: Ulyana, having matured outwardly, remained seven years old in her soul.
After the death of her mother, her existence is completely dependent on her sister, but the harmony in their relationship is broken when the beginning writer Sasha appears in the twins’ house. Love for her sister struggles in Ulyana’s soul with a feeling for a man who also cannot choose between the beautiful, reasonable Lisa and the angular, touching Ulyana.
It is not surprising that the reckless love that flared up in the heart of this strange half-woman, half-child turns out to be disastrous for all participants in the love triangle, and for herself — in the first place …