In the Great Disruption, time fragmented, stranding countries and continents in different time periods, some of them thousands of years apart. Eight years ago, Sophia's parents disappeared on a mission, leaving her uncle, Shadrack, to raise her. When Shadrack is kidnapped, Sophia and her friend, Theo, leave their home to search for him. As they travel over oceans and new lands, they encounter pirates and hidden cities, and they must rely on Shadrack's maps and each other to uncover the mystery and save Sophia's family.