What You Believe, Can Destroy You William and Sydney have sacrificed everything to fortify their love, so much so that William dares to brave the depths of space to find a cure for their deadly Supernova bond, leaving both her and Earth vulnerable to Torrian Alliance attack. But with a full scale rebellion in play on Fabricius, the reality of Sydney's execution from Torrian hands is diminished, only eclipsed by the certainty of a more threats - The Third Faction and The Dagmas Clan - lead by Dominic and his insurgent recruits. With overwhelming odds mounting against them, William makes a desperate attempt to find the last of the endangered Star-children only to be captured by a new menace, where he is forced to compete in the dreaded Gauntlet of sport. Allies surge to free Fabricius, seeking alliances across the galaxy while Sydney tries to keep her identity hidden and trains to master the third phase of her Star-child evolution: Solstice. With Sarah's mysterious return home with clues to unlock the future, Noella's training and Bill's symbiotic development hope is restored, but will it be enough to unite the galaxy and destroy evil for once and for all?