Shan Taishan dedicated his life to protecting Mars as an Officer of the Fleet. But now an enemy no one can see has come to the Red Planet, and it's up to Shan to save his sister and his homeworld - or see Mars fall forever!Prominent Martians have gone missing - only to turn up again days later, seemingly changed. Government leaders forward policies they'd never have supported before, and the Fleet itself seems riddled with traitors. There's a conspiracy at work, one which threatens to turn Mars into a brutal dictatorship.With his friends gone off to Eros - glittering asteroid city of sin - in search of the enigmatic Djinn, it's up to Shan alone to unravel the mystery and save his world. And when he learns the truth at last, Shan Taishan will be forced to make a terrible sacrifice -- or see his world lost forever!.