Life in an idyllic colony world is disrupted when the United States government establishes a second colony for ex-convicts a few miles away. A kidnaping, a murder, and a series of revenge killings lead to escalating tension. Can Melody Hu and her brother Elmo keep the peace? Will the American government help reduce the tensions, or does it have hidden motives to let the violence get out of hand? Disparate Impact is a sophisticated political thriller set in a realistically rendered future society spread across 1000 light years of space.