Lately, Princess Cadance has been feeling inadequate. She's spoken of this briefly to Twilight Sparkle but her longing for a grand adventure is really starting to get to her as are the thoughts that she isn't doing all that she can.
In the decaying metropolis of Detrot, 60 years and one war after Luna's return, Detective Hard Boiled and friends must solve the mystery behind a unicorn's death in a film noir-inspired tale of ponies, hard cider, conspiracy, and murder.
A few years after Luna's return it seems that Equestria will finally know an era of peace and appears to be on the verge of a new renaissance. Ponies are happy. Luna is recovering. Celestia is miserable.
Princess Luna disappears from Equestria with hopes of saving the world and is accompanied by the enigmatic Sombra. Meanwhile, Celestia tries to bury secrets as immortal as she is and Cadance must choose her loyalties carefully...