Megatron initiates his ultimate power over Equestria. The Autobots and ponies must work together to put an end to his tyranny lest he destroys everything they hold dear. Time is short.
Grogar and the Decepticons finally manage to take over Equestria. When all seemed lost due to death and destruction everywhere, Optimus Prime and the Autobots intervene to save Equestria.
When strange, shape-shifting metal beings called 'Decepticons' attack Equestria, can Twilight, Applejack, Rarity, Rainbow Dash, Pinkie Pie and Fluttershy save it from them ... when they know absolutely nothing about their new foes?
Optimus Prime ends up arriving in Equestria during his travels after Age of Extinction. And finds out that the ponies who live there are more than meets the eye.
After the Decepticons discover energon on a distant planet, Optimus Prime and the Autobots arrive in Ponyville, quickly attracting the crown's attention. Now it is up to Prime and the princesses to protect Equestria from the Decepticons.
Three years have passed since Optimus left Equestria, a decision he will come to regret. In his absence, the Decepticons have returned, ready to claim revenge on the planet that slew their leader.
1000 years ago Princess Celestia was forced to banish her sister Princess Luna after she became Nightmare Moon. However unbenounced to her Nightmare Moon was banished to a distant planet where she now plots her revenge with her ally Megatron
After strange event all over equestria. Rainbow dash, Applejack, rarity, Fluttershy,pinke, and Twilight discover a dark secret can they keep it secret, or will it destroy equestria.