Seven centuries ago, the Age of Pirates came to an end. Since then, humanity has been under the rule of the Celestials. Clipse Lionheart has only ever known captivity. That is, until her mother's plan - a plan that could change everything - leads Clipse and a crew of escaped humans on a journey across the horizon. Clipse learns of the world beyond the city of Zxu: a world with secrets and powers fighting for control. Little does she know, a deadly balance has been established, and one misstep could ruin everything.