It was meant to be a great day. Several centuries into the future, the world has finally come together under a single government, the Executive Committee. They provide for the rest of humanity, most of whom live in huge arcologies - enormous tower block cities. The New Argo, has been sent to colonise a distant planet - code-named Gamma Six. The day it got there should have been a great one for humanity. Instead, upon reaching the planet, the New Argo blows up. But why don't the members of the Executive Committee want to investigate? And what really happened to the New Argo? These are...

When Vivian LeFevre arrives in the underground city of the Yla, she hopes that it is going to be a new start - an escape from the sadness she left behind. But, when she starts to be haunted by vivid dreams of clay monsters - dreams that soon become real - Vivian is forced to flee across a continent in an effort to warn her people of the impending war. On her journey, she discovers the answer to secrets lost in history, the origin of the clay monsters and the truth about what lies at the heart of the Soul Lights. Secrets that Vivian can only find by truly going Down Among the Yla.