1990s. Gangster Kyiv. A team of four men is assigned to deliver a girl from Prague, nicknamed "Alien", the sister of a recently arrested criminal called Babai, whose testimony could damage some important people.
A group of scientists is sent to the planet Arkanar to help the local civilization, which is in the Medieval phase of its own history, to find the right path to progress. Their task is a difficult one: they cannot interfere violently and in no case can they kill. The scientist Rumata tries to save the local intellectuals from their punishment and cannot avoid taking a position.
Ivan Demarin, a young officer of Peter the First’s new guards, follows the Tsar’s order and goes to the frontier town of Tobolsk, deep in the Siberian forest. There Ivan falls in love for the first time and he and his regiment happen to be involved in conspiracy of local princes who hunt for gold in the town of Yarkand. His fort is surrounded by hordes of wild Dzungars and there is no one to call for help…
