Dev's dad, tech magnate, Dale Dimmadome creates an app designed to track kids wish energy at the annual Founder's Day Festival, but Hazel is showing up as an anomaly thanks to Cosmo and Wanda.

Hazel must out-matchmake Cupid himself or her parents' memories will be erased forever.

Cosmo, Wanda, and Peri discover Dev's dad has been investigating Hazel.

Hazel wishes to be a fairy for a day, but things go awry when her anti-fairy shows up.