Human colonies have been established on Mars, after the first manned mission inadvertently began to terraform it. Young Tony Rust, a geosurveyor in the New Europa colony, has made a curious discovery, which at first glance seems to be of little consequence. But has Tony stumbled onto something that could change both his home and his adopted planet forever?

Human colonies have been established on Mars, after the first manned mission inadvertently began to terraform it. Young Tony Rust, a geosurveyor in the New Europa colony, has made a curious discovery, which at first glance seems to be of little consequence. But has Tony stumbled onto something that could change both his home and his adopted planet forever?