Anna is a princess and she doesn't know that Elsa has magical ice powers.
Anna aggravates Elsa and makes her accidentally use her powers making Elsa run away because she is afraid of hurting someone.
Anna goes after Elsa and meets Christoff and Sphen who decide to join her on her journey.
Anna and Christoff embark on their journey to try and find Anna's sister, Elsa.
Anna and Christoff meet a pack of wolves that chase them, and they meet Olaf after that.
Anna, Christoff and Olaf get to Elsa's ice castle and find Elsa there, but they don't know that Hans is on his way to get rid of her. Anna tries talking to Elsa and makes Elsa lose control and hit Anna in the heart with her ice.