Big Macintosh encounters a mysterious mare in the Apple family barn. She needs help! But with what? Against what? Big Macintosh lends a helping hoof. However, helping a mare who has been shut away in the darkness for most of her life might not be the easiest of tasks. The newcomer who has been graciously and unquestioningly accepted has trouble fitting in and trusting others. She needs help as she makes her way through her journey and luckily for her, Big Macintosh is there step by step till the very...end.