The evil Ravenna finds that her sister Freya is pregnant and in love with a noble. Freya gives birth to a baby girl but her beloved lover murders the baby and her rage unleashes ice powers and she kills him. Freya heads to North and builds a palace and an army that captures children from the villages to be raised as soldiers without love. Years later, their children Eric and Sara are grown-up and in love with each other. They plan to flee from the castle, but Freya finds and builds an ice wall...