Trundle is just like any other hedgehog in the small town of Shiverstones. But his simple, quiet life is turned upside down the night Esmeralda appears at his door. With bloodthirsty pirates right on her heels, she tells Trundle he is destined to join her on a quest to find the fabled Six Crowns, treasures that could unite the Sundered Lands once and for all. Together, they must journey across the skies, facing deadly enemies and danger around every corner. With the odds stacked against them, can Trundle find the courage to fulfill his destiny?