In a world where unicorns frequently discriminate against non-unicorns, Twilight is sent to Ponyville for a break from the stress of city life. Having been raised in a progressive unicorn household, she now comes face to face with the ugly reality of racism. Twilight soon learns that friendship is not free; it must be fought for. So she fights: for her friends and for a wider friendship between the privileged and the oppressed.
Includes multiple romantic-comedy subplots that have nothing to do with racism, which is why the story is tagged both "dark" and "comedy".