Olya lives with her grandmother, who loves to tell her magical stories. Her parents are always busy and are rarely at home. The girl quarrels with her family and accidentally ends up in the mirror kingdom from her grandmother's stories, where she meets her reflection - Yalo. In this world, all people are too absorbed in mirrors, because in them they see ideal versions of themselves. These magic mirrors were invented by Korshun to subjugate the entire kingdom to his power, and Olya will have to believe in a miracle and save the fairy-tale world.