Fallout Equestria: Anomaly takes place prior to the events of the original Fallout Equestria, told from a first person perspective from an earth pony named Ardent Fable, who has been recruited into a dangerous group called Elpis whether he likes it or not.
In the wasteland of Equestrian an enormous raiding gang known as Pandora's Children grows large enough to take over, but when their leader disappeared it throws the into a civil war. A few years later a new leader has emerged. With only a fraction of followers left he plans to accomplish what his predecessor failed to do. The only thing standing in their way is a small group of elite know as Elpis. Amongst them an earth pony named Ardent Fable wondering how it is he managed to get involved.