Princess Luna had just been banished to the moon by Princess Celestia. Knowing it had to be done, the Princess moved on, but she was different. She had became so strict and almost evil. A tyranny had begun in Equestria. One of Celestia's top assasins, known as Midnight begins investigating the situation. But as he begins researching the subject, a member of Celestia's council is murdered in front of him, the killer jams the knife into Midnight's hoof and he is framed for the murder. Celestia orders his execution and he flees, determined to find the murderer and stop the corruption that has leaked into his world.