An E.Q.U.E.S.T.R.I.A Spies story

When Canterlot High goes on a field trip to Camp Everfree, their settlement is none but short as they discover a mysterious magical force that causes strange things to happen around the camp. Twilight Sparkle believes it's Midnight Sparkle inside of her that is the one causing all these problems, as she is having constant nightmares of her overtaking her again, but Sunset, Lightning and Karly do their best to support her and convince her it's not going to happen again. They try to keep their wits up and enjoy their time at the camp. However, soon enough, the nine all begin developing superhuman abilities within the camp's boundaries. Twilight thinks it’s her, infecting them, and that Midnight is coming. She has to assert control of Midnight and save the camp with her friends from a new beast, Gaea Everfree.