Fox Shine is called in to his work and needs to spend a week on a secret project for his co-worker/boss who ends up blackmailing him. He is forced to give his boss a dangerous formula which is used conduct an experiment that puts the entirety of Equestria in danger... Now, only three ponies can save it. Doctor Whooves, Derpy, and Buttercup hold the fate of Equestria in their hands.