Twilight Sparkle awakes from a mysterious and odd dream involving a cloaked pony. After the dream, Fluttershy has been kidnapped! The city is in panic, while Twilight has to figure out who did it.

Twilight teams up with an "interesting" personality, that goes by the name of Detective Shadow Heart, as they both uncover the mystery shrouded by mist. Twilight and Shadow Heart investigates the case, as Equestria has it's own problems with pirates planning to burn the nation to the ground.