The long lost brother of Princess Celestia and Luna, known as Blaze Bringer, returns to Equestria thanks to unintentional help from Nightmare Moon in the form she has now taken, otherwise known as Chrysalis.

Ponies from various backgrounds and places must now converge to fight off Blaze Bringer and his army of Sabrei as he comes to destroy Canterlot and all its citizens. A tale of the Elements, Musicians, and Everyday Ponies who experience the feelings of love, loss, friendship, and betrayal as an Alicorn is reborn as a Helios, a horse of dark flames.