There is always a place for a miracle in life: one careless wish on Christmas night - and now Apollinaria is no longer a venerable grandmother, but again a 25-year-old girl! How long? Unknown! It's not worth wasting time. Who knows how long the miracle lasts? But we need to have time to arrange a personal life for our granddaughter, and unravel the mystery of her youth. And the main thing is not to pay for the magic with your life. After all, there are many hunters to restore youth and they are already on its trail...