Thanks to a magic book, Ace Attorney Phoenix Wright is transported to the world of Equistria. Unfortunately for him a changeling scare grips the town of Ponyvile. An elite order of knights called the Changeling Inquisition are called to investigate. The first pony Phoenix meets, Pinkie Pie, is accused of being a changeling and it is up to Phoenix to defend her in a twisted court. All while the land of Equistria falls apart at the seams.