Being in an underground Stable isn't easy. For the inhabitants of Stable Forty-Five, they would soon come to find that their newly found home in Stable forty five would turn out to be the biggest nightmare of their lives.
Crimson Skies, her brother Star Streak and father, Peppermint have been living in there for a few years, and just as they find themselves getting used to the conditions they have to live in, horrifying events transpire within the Stable. At first it seems like nothing is wrong, but one night, some of the inhabitants appeared to have become insane! Maybe Stable Forty-Five wasn't really meant to preserve pony-kind, after all…