Luna's up later than she ought to be, thanks to a certain invention, and Celestia has something to say about it. On another night, a strange smell cuts their meeting short.

While on a trip to investigate rumors of the Crystal Empire's return, Royal Guard Grass Hopper runs into some trouble involving a bandit and the local wildlife.

Bloomberg is possessed by a demon. Braeburn enlists the help of a bison shaman to exorcise the thing.

Spike and the Cutie Mark Crusaders turn the clubhouse into a zombie apocalypse shelter.

Trixie decides to open a karate studio in Canterlot, and Luna signs up for her class.

Celestia's birthday cake is gone. She intends to find the criminal responsible.