Everyone knows the old fable, but deep in the past, in the lands beyond the fledgeling Equestria, one pony took a very special interest in its origin. Now that she tracked it to its source, she has a plan, and all she needs is wit and word.
After the early summer tourist trade produces an endless parade of traveling Canterlot residents who refuse to make a Ponyville purchase, Rarity decides to help the strangers in her shop -- help them buy absolutely nothing from her at all.
Twilight Sparkle had been looking forward to a quiet, relaxing day with a friend, but when Twilight discovers Fluttershy's appetite for blood, the knowledge proves to be anything but relaxing...
Caught in a rainstorm again, Derpy trudges off toward home. But along the way, she finds somepony down on her luck as well, somepony who very much reminds Derpy of her own childhood. It was a good day.