In 1824, a young Princess of Spain becomes a stowaway aboard a pirate ship, separating her from her parents, her best friend Axel, and even her name. As the years pass, Skye is tormented by memories of her past and embarks on a quest to find her true identity. Storms, raging seas, and battles with famous pirates test Skye and her quirky bat Ig, pushing her and her furry sidekick beyond their limits in this epic adventure.