Pinkie pie's sister, Marble, arrives to spend some time with the pink party pony. But while visiting Sweet apple acres, both Pinkie and Applejack a summoned by the map. Leaving Marble alone with Big Mac
When Granny Smith sends Big Mac to visit the Pie homestead, his manner of speech leads to an embarrassing misunderstanding. Will his request force one gray little pony to make a choice she'd like but doesn't want?