When Kristoff and Anna are about to embark on a journey to the Northern Mountain, they discover a blue box appear out of nowhere and a man who introduces himself as The Doctor shows up and offers to help them on their quest that is not just a remedy to Arendalle's problem of Eternal Snow, but a remedy that is set to save the planet from an anomaly in the fabric of time.

It's the day of the Aptitude Test for the sixteen year-olds of Chicago and Elsa Arendalle of Abnegation gets a result that could put her life into risk. Now she must choose between remaining with her own faction or taking a different direction in her life, which might just do her good. One choice can transform her and it could be either for the better or for the worse.