Tanner Mirabel was a security specialist who never made a mistake - until the day a woman in his care was blown away by Argent Reivich, a vengeful young postmortal Tanner's pursuit of Reivich takes him across light-years of space to Chasm City, the domed human settlement on the otherwise inhospitable planet of Yellowstone But Chasm City is not what it was The one-time high-tech utopia has become a Gothic nightmare a nanotechnological virus has corrupted the city's inhabitants as thoroughly as it has the buildings and machines..