Before the Wonderbolts, there were the Bolt Knights. And before Rainbow Dash, there was Firefly. The story of Rainbow Dash's ancestor, the origin of the Wonderbolts, and the coming of the Great Pony/Gryphon War.
Not only is Pinkie Pie accused of murdering ponies in Equestria, but also attempted murder of the sister of one of her best friends, and only Twilight has enough faith in Pinkie to defend her.
Fluttershy is left to face a post-cataclysmic Equestria after a terrible event causes ponykind to vanish without a trace. With nopony to turn to, Fluttershy must fend for herself and try to find out what really happened that fateful night.
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?