It's been three years since the accident Arendell. Anna and Elsa's cousins Rapunzel, Eugene and, Merida come to visit. Everywhere thing is smooth sailing until starts having nightmares every night. When the guardians see the nightmares in Arendell they send Jack Frost to investigate. When he and Elsa meet they instantly become friends. As their relationship grows so does concern. If the two combine their power it would be enough to stop him. He plans to eliminate the problem by trying to separate them. Will his fear be enough to separate Jack and Elsa or will theory love be enough to overpower him.