Watermelody and Golden Hazel are two drama kids who are starting a band for the High School's Musical Showcase. However, as they are about to decide on a name, they're interrupted by a seductive sounding tune. When they come to their senses they discover that their memories from the period of "the Battle of the Bands" to be weirdly fogged up. They are now determined to get to the bottom of exactly what just happened during the music competition and why exactly their memories got fogged up.
(An Equestria Girls 'verse story staring some background humans.)