Arendelle is hit by a blizzard that has never been seen before, so many have died. When he was young the king remembers his mother telling him a legend of the ruler of winter. How he could create monstrous blizzards, or calm snow days. In desperation the king sacrifices his 10 year old daughter, Elsa, to this lord of winter in hopes to save his people. Elsa is a ten year old girl with an amazing gift she has power over ice and snow.
Across the world Jack Frost is just beginning to get used to both being seen and his responsibility as a guardian. He is having a guardian meeting when he feels himself being called by an unknown force. In his daze he doesn't hear his friend's questions or notices the fact that they are fallowing him. When he makes it to where the call is coming from he finds himself in front of a man dressed in royal robes with a small girl at his side. What will happen to them, how will jack react to the king's sacrifice and what lies in store for Elsa. Only time will tell.