Fomina was extremely cautious and exemplary in all respects from childhood. So I grew up as a very conservative and slightly old-fashioned girl. A constant tight braid because it’s convenient, the institute is close to home because it’s close. Her free time is spent reading a book, because she can’t run after men! And in general, she is not interested in relationships as such. But all this happens until her best and only friend introduces her to her fiancé Demid. Demushka is fabulously beautiful, like a candy cane in a bright Christmas wrapper. It's impossible to resist! And then a truly insidious plan arises in the head of the shy Cinderella...