A somewhat unconventional look at the author’s universe of “Evolution of War” with a SF bias. Doctor Burnett Graeber arrives on the planetoid “Polygon-9A” to participate in an experiment to improve the ship’s engine for space-time jumps, but in fact he is driven by nothing at all different goal. Possibility of direct time travel back. To be able to stop all the troubles that have befallen humanity. After much theoretical work, he is finally ready for the test. Only playing God turns out to be much more unpredictable...