Jack Frost and Queen Elsa (beautiful love scene but...)

story: when jack is trying to save her sister,he falls into the lake and elsa see everything so she decide to bring him back to life and she change his hair ( i don’t know why!!!), elsa like him because of what he did for her sister and she give jack ice power. then elsa make a castle and change her clothes and jack change his clothes too. then pitch comes and he look jack and he tell him to kill elsa, in fact pitch conquer jack. jack beat elsa and elsa falls in ground so jack leave him but elsa gets angry