The experiment, conceived on Mother Earth, has been going on for more than 500 years. And all this time, an unprecedented spaceship is moving towards the mysterious Proxima Centauri, devouring parsecs of space. It seems that its creators have foreseen everything, modeling a closed world for the inhabitants of this giant - the Captive Universe. But when you are dealing with living people, it is impossible to foresee absolutely everything. Man is so constructed that with incredible ease he breaks other people’s plans, even the best-laid plans, and makes his own way.