It's the eve of the Summer Sun Celebration, and Ponyville is under attack by marauding plundervines. As they did in another world, Princess Twilight Sparkle and her friends must give up Equestria's greatest means of defense in order to save it, but this time, things go a little differently.

Adapted from the events of "Princess Twilight Sparkle" as written by Meghan McCarthy. The character of Silver Bullet is used with permission of his creator, OldTimer, and originates in the story "Rain at Sunset".