Like many fillies without a cutie mark, Trixie finds herself feeling aimless and unsure of herself. Naturally, she dreams of something big and hopes it has to do with magic. But the lessons at Celestia's School for Gifted Unicorns are difficult and some of her fellow students are relentless in their bullying.

While pondering how exactly she is meant to discover her special talent, she meets a creature who seems to wield a great and powerful magic and has an answer to every question, especially the odd ones. And especially the ones Trixie never asked.