Midnight Spark is a unicorn that moves to Ponyville and find the Mane 6, his special talent is Elemental magic.

Some time passed after the last episode from season 3: "Magical Mystery Cure". Spike is acting strange, the girls are sent to investigate but they find something that no pony would expect.

A century have passed after the Elements of Harmony deaths, Spike is left to wonder what remains for him.

This story tells why Luna became Nightmare Moon and her coltfriend one of the most fearsome villain in all of Equestria.