RAINBOWS

The film starts off with Rainbow Dash looking through some cupboards, looking for something unknown, [It's not important] and hears a noise. She investigates and finds somepony killing another. She knocks out the killer and the police are called, there is a fight scene and the killer [just a pony] is killed.

About a month later, Rainbow Dash goes to see her friends after the ordeal. She goes to visit Fluttershy first, and she finds a note in her cottage that says, "I'm coming". Fluttershy tells Rainbow to get twilight, so she goes and when they get back, Fluttershy is missing. They call the police and look for her, but fail.

Later, Rainbow goes to see Applejack and Big Mac, and finds out that Big mac has been killed. Twilight calls a meeting thinking that these "murders" and "disappearances" are connected. When only Rainbow, Applejack, Rarity show up, they try to find Pinkie, but she is gone and Fluttershy's corpse is in sugar cube corner.

Rainbow dash comes to the conclusion that when somepony else is kidnapped, somepony is killed. She tells twilight and they go their separate ways. A week later, Twilight and Rarity are abducted. Rainbow Dash assumes that since they are gone, two more ponies will be found dead. The two ponies are Ms Cheerilee and Pinkie.

Rainbow tells Applejack that they need to find the others, so Applejack finds a note in sweet apple acres revealing her sister, Applebloom, has been taken and they find rarity dead. Rainbow has a small breakdown and Applejack forces her to help her find the location of this killer. They find the killer and its… GILDA!

Gilda kills Twilight and unties Applebloom, she is also the killer? Gilda and Applebloom lock Rainbow and applejack in a room with Derpy, Ditzy, DJ Pon-3, Lyra, Bon-Bon, Sweetie Belle and Scootaloo. Derpy and Ditzy are put into a two-way trap, and both die. Rainbow has a worse breakdown. Applejack decided to kill Sweetie Belle and Scootaloo, but Scootaloo escapes and gets the others free. Sweetie Belle dies.

Applejack is killed by Applebloom and Gilda finds Bon-Bon and kills her. Rainbow dash finds out that they are in the factory where the original killer died. [first killer was lover of Gilda and Applebloom's friend]. Lyra hides is a cupboard and is almost killed by Gilda, but Pon-3 runs past and is killed instead. Lyra escapes and finds Scootaloo, the two of them find the roof access panel, but Lyra is dragged away. Rainbow finds Scootaloo and they survive for a bit on their own.

Lyra is tortured for a bit until she dies and Applebloom throws away Lyra next to Bon-Bon in a pile of bodies. Rainbow and Scootaloo are caught and Gilda kills Applebloom saying "Leave no probability of being caught. Gilda fight Rainbow Dash for ages, then kills her. Scootaloo then kills Gilda when she least expects it, and the police arrive, they find Scootaloo repeatedly stabbing Gilda whist laughing.

She is charged of 1st and 2nd degree murder and is put in a mental institute. The last scene is of her with a knife, she cuts open the straight jacket and calls the guard to look through the door hole, where she kills him and escapes, revealing the terror is not over!