In the year 2056, the world's most powerful earthquake occurred, forcing the seven continents back together. The supercontinent of Pangaea was reformed, along with the singular ocean mass of Panthalassa. When the various countries found themselves with new neighbors, borders began to blur. World War III broke out as the world's governments raced to grab land and power. After ten bloody years of war, much of the world's population was wiped out. Those who won the war set up a kingdom on land. Those who lost were forced to retreat, taking up residence under the ocean. A teenage girl from under the ocean befriends the prince of Pangea, and the two discover a secret threat to the kingdom. With help from an unlikely source, they must save what's left of the world.