Twelve years after the Crusaders discovered their true nature, an ancient evil has returned. Celestia is hurt, magic is weakened, and Equestria is nearly lost. Now our heroes must find a way to fix The Hole In The Sun.
For ponies, Hearth's Warming Eve is a joyous time. Caribou though... their legends are darker. They know what threats await in the long, dark nights of winter, and what evils can lurk in the hearts of those who dwell there.
The Crusaders learn that they aren't like other ponies. As they uncover the secrets of their origins, the trio grow closer than ever, discovering not only their unique nature, but the incredible power that comes with it as well.