Young Masha is tormented by visions of flying fiery monsters. Mom worries about her daughter, classmates chuckle. But one day, in the very center of Moscow, Masha sees in reality a battle of winged fiery monsters with young people who call themselves magicians. One of them at the last moment saves Masha from an attack by a chimera. So Masha gets into a secret corporation, where she learns that Santa Claus really exists and, leading an army of magicians who can control snow and ice, protects the Earth from the invasion of dark forces. And the New Year holiday is a magical ritual that people all over the planet perform every year, not even suspecting that they are participating in the largest battle between good and evil. Santa Claus informs Masha that the fate of our world hangs in the balance, and it depends on Masha who will win - light or darkness.