Colonization of a planet with an oxygen atmosphere and a rich animal and plant world. The initial period when workers arrive after prospectors and tenants. Unexpectedly for the expedition, not far from the landing site, there were other reasonable, as well as semi-reasonable and even completely unreasonable, but well-organized creatures capable of joint meaningful activity. Everyone had their own problems and difficulties. In order not only to survive, but also to get comfortable, the immigrants had to strain not only their strength, but also their thoughts. Sudden meetings, adventures, conflicts and mutual assistance - only earthlings fell to the fullest.