Four years have passed since Princess Northern Sky of the Changeling Hive was reunited with her father, King Eclipse. Strange things have happened across Equestria, buildings collapsing, strange magic lingering where it shouldn't, and rumors of a stallion who walks where he doesn't belong.
A stallion who wields a strange form of magic.
It's up to Northern Sky, her sisters, and their friend Copper Sprocket to figure out what's happening before somepony seriously gets hurt.

(Northern's sequel from To Hunt a Beast)