The trio blunder into a sealed, highly industrialised biosphere, where outcasts die in the toxic air outside a sealed city ruled by a paranoid, self-deceiving leader who is preparing for war - if he could find a way out.

Unknown to the monarch, her power-hungry servant plots to rule the biosphere where the elite are forced to have implants that inflict pain, while the poor starve. Can the elite find their courage when he takes Rachel and Garth hostage?