Elsa, the Queen of Arandelle, filled with fear of what she can do. Jack Frost, the guardian of Fun and the spirit of Winter, just fools around with his duty. But, when the Man in the Moon chose Jack to become the protector of the Queen of Arandelle, he finds it hard as everyone there doesn't know or believe in him. As he suddenly makes Elsa believe in him, they start falling for each other and must face the consenquences of Pitch from erasing everyone's memories of the Guardians and he needs Elsa in his hands. Can Jack protect his love and can Elsa make everyone believe in Jack?