With supplies from Wandering Oaken’s Trading Post, Anna reaches Elsa who refuses to return to Arendelle and accidentally strikes Anna in the heart with her magic. Kristoff takes Anna to the Hidden Folk, but Pabbie cannot draw this magic out; only an act of true love can heal her.
Refusing to be a monster, Elsa surrenders to Hans. Back at the castle, Hans reveals his villainous plan and locks Anna in the library to die, but Olaf sneaks in and frees her. Elsa denies Hans’s charge of treason and breaks free.
Kristoff and Anna seek each other amid the blizzard while Hans hunts Elsa. Seeing her sister in danger, Anna blocks Hans’s sword as she freezes solid. This act of true love heals Anna and releases Elsa from fear. Queen Elsa brings summer back to Arendelle, which rejoices and embraces her, magic and all.