When magics mix, sometimes unexpected things happen. Everyone's familiar with mixing paint - add a little red and a little blue and you end up with purple, or take some yellow and a bit of red with just the tiniest hint of blue and you end up with gold; but magic doesn't work that way. Take a bit of conjuration, a healthy dose of translocation, a dab of unfiltered thaumaturgy, and an unexpected touch of necromancy and you end up with.... well... two very normal natives of Equestria. So what happens when the town librarian, and resident princess, nearly kills one of these ponies? And what about the strange tingle she gets whenever that particular unicorn is nearby? What about that patch of field on the edge of the Everfree where the one sleeps at night.... outside? And why exactly does Zecora absolutely refuse to speak about the black zebra who seems to be the odd unicorn's only real friend? And all the while, a slowly growing threat that isn't quite obvious enough to catch the right ponies attention. And...well...far too many "and"s.

... oh.... and Pinkie simply MUST know how his pies make sparks without zap apples.