Corporal Bastion, a FASTAC with the elite Lunar Rifle Regiment, is a pony on the run. On the run from his past mostly, however his past is not something he can run from. Not when the fight of his life is beckoning.
In the years of AU (After Unity); the world is finally united in peace as Princess Celestia and Luna rule over Earth, however unrest starts to brew and the world has been split into two factions.