Strange and horrifying dreams haunt Equestria's nights, and Luna is at a loss. And then the past rears its ugly head, only to bring far graver news.

Luna must confront her past and come to terms with all she is and all she once was, so that she may stand a chance against a new and terrifying threat that may just break Equestria. But can she come to terms with her own hated horrors before the land falls to madness and ashes?