 Klara, orphaned, flees to Jon, a neighbour in Canada, in distress.The pair soon remove Upland and organise a more permanent residence there, with other billionaire eccentrics of the neighbourhood.The next portion of "Gradisil" is largely an exposition of the environment's domestic capacity, Roberts investigating the challenges and novelties of day-to-day Upland life, the question of zero-g as hindrance and boon, and ever-present logistics issues.