New times have come in Russo-Prussia. The first alien embassy opened its doors to contact and establish relationships with the local population. But not all people accepted aliens as equals. Kaiser-Emperor Constantine is trying with all his might to restore order in the country, but he has many enemies, both external and internal. Kirill Benediktovich Brenner, a former imperial paratrooper and detective for hire, has retired. But a sudden request from an old friend forces him to take on an unusual investigation...