A year has passed since the Mane Six’s first adventure with Jack Silver and his band of pirates, and after they decided to crash Princess Luna’s birthday party, they are just all too happy to see them. However little do they know a new villain named Heatwave breaks into the Canterlot archives, luckily he managed to drop two of the scrolls before he made his escape. It isn’t too long before the Mane Six once again embarks on another adventure with Princess Luna and new crewmate Rocky the Diamond Dog in tow, setting sail with the Pirates of the Alicorn, they now embark to find the legendary ship made by Starswirl the Bearded, the Silver Spirit.