Queen Elsa of Arendelle has finally taken control of her ice powers, mended her relationship with her sister and become true queen of Arendelle. Though being a queen is not an easy job, she has friends and family supporting her through every turn. But a shocking truth forces her to face her past...which is deeper, darker and colder than she ever imagined. Jack Frost has all he wants now. A rightful place in the Guardians of Childhood, children who can see him and believe in him. He loves his job--having fun all day and he couldn't imagine a better immortal life. But then a message from his trusted friend and mentor causes him to leave everything he has right now in search for an answer to a question he buried deep inside himself. New evil lurks at every turn and an old enemy seeks revenge... Two fantasy worlds collide as Jack and Elsa search for the truth about their past. (A fanfiction of Disney's Frozen and DreamWorks’ Rise of the Guardians crossover~)