Applejack "Jack" Manzana and Rainbow "Prism" Dash have been friends since they were kids. Bored with the slow day to day life in Ponyville Port, Rainbow convinces Applejack to come with her on a journey to find the Celestial Treasure. A gold box with as much bits in it as you can imagine stolen from the Princess herself! Along the way they make friends, and with them by their side, they set sail for the chance of a lifetime!