Pinkie pie and friends are going to Dashville Trotensse for Dashies birthday. and all is well until a prototype train they are on crashes close to ponyville,
with all her friends gone should Pinkie make anymore promises to them, and if she does, how will she keep them?

When Nightmare Moon was defeated by the mane six the body of Princess Luna was stripped of the evil entity. which was then banished to the moon once more. the seal was never supposed to fail, but due to Discords magic it did, and Nightmare Moon once again Roams Equestria. Celestia had to absorb the Elements of Harnmony into her body to be able to resist her more powerful sister.Nightmare Moon has now amassed an army to combat the forces of Princess Celestia. the story enters about a year and a half into the war, it being a stalemate no side gaining or loosing ground, just lives. so Celsetia has taken Twilight Sparkle in for yet more magic trianing when she returns to Ponyville she has been given taskes and news for the mane six to acompish, all in the time alotted, as the Princess beleives she has created a machine to stop the war, and needs the mane six in Cloudsdale as soon as it is completed. so in the small time of three months, Rainbowdash must teach multiple ponies how to proform a Sonic Rainboom. Rarity must find the proper matirals to create her top of the line armor and weapons. fluttershy must slay a dragon and deal with being the only true medical doctor the Solar Empire has in its ranks. and Pinkie Pie must continue to keep moral up and bump up food production for the army, and the Apple Family must cope with the loss of Granny Smith and the knowledge that the Orange's are all dead. during this three months Twilight and Applejack help the other ponies to accomplish there tasks.