During a storm Rainbow Dash hurt herself and crashed into the Everfree Forest. When she woke up she found herself in a cave where she met a pony named Shiron. Who is this pony and why does he live alone in a cave in the Everfree Forest? Moreover is he a friend or an enemy?
A new adventure for Rainbow Dash and her friends begin that will change their lives forever.

edit: This story will take part between season 2 and before the end season 3. That means things like the cutie mark of the CMC, the return Gilda, alicorn Twilight or anything after season 3 will not happen or will be different