Nyx finds herself enduring a dreamless sleep during the day, only to be active during the night. Fearing her newly awakened nocturnal habits, Nyx starts to fear for herself and wonders if it means the return of a nightmare.
While scavenging the library for whatever survived Tirek's attack, Twilight discovers Nyx's beloved doll destroyed beyond repair. Now Rarity finds herself trying to repair the old thing, but not without its setbacks.