Sasha Green: a normal Utah girl whose best friend just moved to Paris, France. A girl whose parents are constantly fighting. A girl, who is going to Paris over the summer, only to find out that she is destined to hold the Hummingbird Miraculous, a jewel that gives her the power of speed and flight. She finds herself caught in a love tangle: A triangle between two boys at her summer music school, Dustin and Bretton, and her love for her partner, Cerf Agile. Relationships build as tensions rise between the lovers, their hearts caught at hard ends. Who will Sasha fall for in the end, and how can she stop Hawkmoth from destroying Paris?