A long time ago, Equestria was split into many different nations. The world seems to be on the brink of war, with Celestia and Cadance amassing forces, Discord egging the two leaders on, and Chrysalis sending infiltrators to the corners of Equestria.

Pinkie Pie, a new agent of the Historical Society, has been assigned to guard Ponyville, though never being revealed why, what she is guarding, or from who she is guarding it from. Armed with the barest of knowledge, equipment she can barely, if at all, use, and the feeling of a deadly, but unknown, deadline looming, the Pink Pony sets out in the pursuit of her mission.