A mysterious group titled, "The Flames" sending mysterious messages to the rulers of Equestria have only spammed their mere mailboxes until, one day, they suddenly claim that they will "overthrow" the alicorns and establish a new kingdom. Panic slowly soaks in the country as numerous accounts of ponies start to show cases of apparent brainwashing, while some ponies even disappeared. The final sign, the say, will be their most powerful weapon standing at the gates of Canterlot ready to condemn the vicious rulers who started it all. Before they start preparing for the worst, the princesses try and find out what kind of ponies they are going to deal with.