Diamond Tiara is excited to have a starring role in Autumn Blaze's new opera. She knows the Opera House isn't haunted, but if it were, she'd be ready to give any Opera Spirit a stern talking-to.
A murder in the grand Clavia Hotel in the South Seas pushes together two unlikely figures: Madeleine Crumpet, a globe-trotting jeweler with an eye for gems (and pleasant company), and Rubyk of Trotheim... a pony whom words can barely describe.
You've found an "interesting" book recently. You don't know what it is, or why it was hidden in the back of Twilight's library, but you feel so compelled to read it. And keep reading it. And keep reading it...
As life in the palace proceeds as normal, Princess Celestia comes down with an illness. All knowledge has a price, and some doors once opened can never be closed again.
Under the eternal moonlight, a hoofful of strangers cross paths on the streets of Canterlot, capital of the Empire of the Moon, over the course of one eventful day.