Derpy along with 19 others are trap within a strange place by a black and white bear name MonoKuma and he states that the only way out is to commit murder and get away with it.
A famous racer is found dead in the Everfree, and Rainbow Dash stands accused of his murder. Can an Ace Attorney from another world uncover the truth and prove her innocent, or will Rainbow Dash be banished to the sun for a crime she didn't commit?