"Loyalty is all it has ever known. Loyalty is its only trait. It has no soul. It doesn't not feel pity or remorse, for it is incapable of such. It is devoid of any element other than loyalty, for that is all it needs. It only has one purpose, to protect you from anything, even from yourselves. It will now, always, and forever be your loyal subject…"

Twilight has been assigned to help study a troubled pony with a unique psychological condition and, if at all possible, help him. However, this pony seems to have other plans…