The sparsely populated moon, Io, is destroyed in a terrorist attack. Hundreds are dead in the cataclysmic explosion. Thousands become refugees as the shattered remnants of the moon threaten the Jupiter Alliance. Billions throughout the Solar System are wondering, Where next? Those responsible must be found and brought to justice. The explorer ship, Erebus, is reassigned from its mission and sent to Jupiter to investigate this atrocity with Trent's international team onboard. And what Trent discovers, amongst the relics of the alien Sleeping Gods, will change humanity's place in the universe forever.