In a world without sun and a world without heroes, four young friends embark on a dangerous mission - to uncover the truth about the mysterious Council of Elders and their underground home, the city of Blackwell. But first they need some help from the past.

In a world without sun and a world without heroes, four young friends embark on a dangerous mission - to uncover the truth about the mysterious Council of Elders and their underground home, the city of Blackwell. But first they need some help from the past.