Slick Willy "The Filly Chasing" Colton is up to no good. Not that that's unusual for a pony who was the main actor in the Manehatten incident.

With Mare Mayor missing, Colton, fleeing the Princess and her fungeon heads to Ponyville to take up the position of Mayor!
Backed by the notorious Don-Vito-Ponlioni AKA God-Pony there's no way he could loose at least not until he finds Steven Magnet anyway...