After a accident cause by Trixie caused all the fireworks for the Fourth of July celebration to be let out early.It is now up to sunset to fix the problem.
The CMC always want to be like their big sisters or in one of their case sister figure. As in being heroes who will save the day. Now opportunities present themselves once their join the kid next door and save children from adult tyranny.
After feeling unappreciated and forgotten spike decided to run away through the mirror portal. However an unforeseen accident had chaise him to be transported into another different world.
The equestrian girls or the rainbooms as their are sometime call have face many challenges and enemies in the past. But now their will face they biggest challenge yet will their win or will the world be doom to chaos and darkness?