Replying...
Intro. The shadow king ends up invading the palace of equestria, he was defeated but Celestia realizes that someone let him in They found a strand of blond hair and a blue feather The hair was very similar to Applejack's, while the feather was just like the rainbow dash wings They did a magic to know the DNA, and the DNA matched theirs That's why they were both arrested, but they are innocent

Rainbow Dash and Applejack Prison

@Izumi hatsumi