Cary Lee, a young middle school aged boy with a unique... gift, ends himself up in Equestria while on the run from the authorities. The only things on his person are the clothes he is wearing, his backpack and a journal.
I love my brother. I know lesser mares would've quit by now. When he boarded that train to the changeling territory, he was still Macintosh. When he came back he was still the same, but... different.