The future has changed little in half a century. Unless class society has reached its apogee. A system of levels appeared: from 0 to 150. But even in such a world, there are still people who value not the level on the badge, but the qualities of a person. And one of these people, undoubtedly a talented scientist and military engineer, will have to make a difficult choice. A choice between ambition and humanity. Will he be able not to make a mistake in his choice? And what will his decision ultimately lead to?