Winter is over, the spring winds blow gently and the red poppies dance. If only Twinkle could focus on what was happening now instead of what was, and if Cake could get her little ponies to stay happy, maybe they won't see winter again.
In a city long forgotten by those in power, a detective is tasked with a case unlike one he has ever taken on before. It pays well, which is all that matters to him, but what he doesn't know is it could very well cost him his life.
During the Summer Solstice Festival in Maretime Bay with the dragons attending, the Mane 6 reunite with Mystery Incorporated to solve the mystery of a ghostly dinosaur, called the Phantosaur, who is haunting the town of La Serena.
If Ponyville's new repair-pony gets his way, the Mane Six won't even know he exists - and nopony in Ponyville will miss him for long once he's returned to Earth.
As a budding diplomat, Flurry Heart often travels out of Equestria and into other dimensions. It's not uncommon for her to get stalled in the Between Place, but something is different this time. Someone else is here.