The students of Canterlot High come to a summer camp where there are odd counselors, strange phenomena and, hidden agendas.

When Canterlot Highschool goes on a trip to Camp Everfree, they are surprised to find a magical force is causing strange things to happen around camp. With the help of the Mane 6 and especially Sunset Shimmer, Twilight Sparkle must confront the dark Midnight Sparkle within herself and embrace her newfound magical abilities to save the camp.—Robert Lach

Canterlot High is taking a trip to Camp Everfree. But while they're there strange things start to happen. Twilight Sparkle has to control Midnight Sparkle who is now apart of her. Now The Mane 6 including Sunset Shimmer have new powers from the camp that they now control.