Ever since he was a wee colt, Big Macintosh was told not to go into the Everfree Forest. "It's all to dangerous for a young colt" Granny used to say "there are a lot of dangerous creatures". But Macintosh never listens, he's as stubborn as that plow of his. So on a quiet summer night, he does what he was always told not to - he wanders off into the Forest. What, of better say, who he finds there will change his life forever.