sentences:  Still under the influence of her Ultranaut conditioning, Irravel gives chase, interested in exacting revenge, rescuing the colonists, and learning why Markarian gave up the codes to their security.By 2931 she has followed him to a refuge among the "Nestbuilder" race, from whom she attempts to purchase advanced weapons technology in order to have the advantage against the "Hideyoshi" during the next encounter.However, the Nestbuilders and their symbiotic species, the Slugs, reveal that while she was travelling at high relativistic velocities, the Greenfly terraformers were unleashed around the star Ross 128 (the same star that Diadem orbits in "Glacial"), and have since malfunctioned, destroying the planets there and turning them into trillions of orbiting bio-domes filled with vegetation.