Cold Star is a Crusader - A Bat Pony sworn to defend the Sacred Night. Alone and far from her home, she is shocked to discover a group of cape-wearing young ponies who also call themselves Crusaders.
Sunset Shimmer's Hearth's Warming Eve celebration is cut short when she spots a suspicious figure lurking outside. After a festive costume makeover, she sets out as the Mysterious Mare-Do-Well to investigate.
One-Shot. In a world where ponies live enslaved, where 'cutie marks' are both a symbol of rebellion and of hope, one immortal hero, 'Mare-Do-Well', arises to lead ponykind to freedom. This is the end of one, the beginning of many.
Twilight knows her friends pretty well... doesn't she? Twilight and friends must prove their innocence as a more meticulous force is at work. Will they succeed? One thing is guaranteed: Equestria will never look the same again.
Rainbow Dash a.k.a. the Dash, is long gone. Mare Do Well tries to keep the crime in Manehatten down but it seems that Rainbow is still alive and trying to tell Mare Do Well and the other Dashes that this is so.
Decades after the sunshine and rainbows day, Equestria slowly began to bring back it's old traditions. Now, on Nightmare Night, three fillies found themselves in danger, but luckily for them, a mysterious vigilante appears to help them.
The Dark Pony of the Night, Mare Do Well is out hunting the musical villain Music Mull who wants to control the whole world with his mind control singing and this number is abut how he feels about Mare Do Well making him and everypony else unwell.