A zebra leaves her home to make a reputation for herself, discovering allies and enemies among her kin and the droves of ponies slowly claiming her planet for their own.

Luna returns on the first Summer Sun Celebration Twilight Sparkle spends in Ponyville, claiming her banishment to be "unlawful". The royal pony sisters come to blows, and commit to a war that distracts Equestria from the real threat.

Thadrim station has gone dark—All the lights are out, the window panes are covered, and the reserve power for life support is dwindling. A mare already blind since childhood must turn the power back on, or else the darkness will be permanent.