Rainbow Dash, thought that the Shadowbolts were just a trick from Nightmare Moon, nothing more than an illusion. She was wrong! The Shadowbolts exist and they haven’t forgotten their last encounter with the rainbow-haired Pegasus.

A few years after Rainbow Dash finally joined the Wonderbolts a tragic accident happens and Dash makes a horrible mistake. A mistake that unleashes the Shadowbolts once more. Now the Wonderbolts have to face a deadly enemy.