While on a midnight walk through the forest, Fluttershy stumbles upon a mysterious illuminated crystal. She makes brief contact with the jewel only for its glowing light to brighten seconds later and penetrate her unfazed.

Little does Fluttershy know that this will lead to a spiral of gruesome events that will forever change the timid caretaker. Her usually calm dreams become horrifically twisted by a force beyond her control. After waking up in a cold sweat, she notices a strange marking starts to slowly show on one of her shoulders. As the days stretch on her once sweet demeanor morphs into that of one with uncontrollable anger drove mood swings. Despite dealing with all of these issues, Fluttershy starts to experience pain that wracks her body down to the very marrow in her bones. It is only on the night of a full moon that she can finally get an explanation to all of this.