It has been a year since Titus has arrived in Equestria. Deep underground, a betrayal takes place between two ancient beings, and another is brought into Equestria as a result with a strong thirst for justice. An evil soon awakens that not even a god can comprehend and Titus finds himself called to action once more in an attempt to spare Equestria from destruction and corruption.

(Sequel to A Beacon of Light and A Pale Light)