The story will tell about the unusual adventure of two sisters – 26-year-old Margot and 38-year-old Catherine. They have never been close since childhood. In adult life they hardly communicate and know little about each other’s lives. However, the unexpected difficulties in Catherine’s life, which actually knock the ground out from under the woman’s feet, and Margot’s uncontrollable desire to win the heart of her beloved husband bring the two sisters together. To realize their plans, the sisters decide to switch places – Margo will pretend to be 38 years old, and Kateryna will become 26 years old. Two women – absolute opposites must radically change their lifestyle, appearance and habits, all in order to be happy and achieve the desired goals.