Headcanons and AU Explained

All explanations for this AU will be in the story!

Lagoon has been landed in jail. Queen Coral is merciless and has a daughter that's even crueler. At least, that's what Manta-Ray thinks. Everyone else in the palace is uneasy about the newest heir to the throne returning to the Kingdom of the Sea. And with the Dragonets of Destiny as well. Even worse, a series of murders have sprung up across the Summer Palace.