Einsof - a mysterious infinite-dimensional object, which is a kind of “crossroads” of the branches of the Dendrocontinuum - also becomes the point of intersection of the interests of the Executors, who decided to “improve” the Universe in the way that each of them understands it. If Einsof turns into another black hole, a war will begin in which humanity will be just a grain of sand under the feet of giants. Realizing this, Klim Malgin, Aristarkh Zhelezovsky and their friends in the present and future are trying to prevent disastrous experiments. But the trouble is that those whom they protect, driven by the dark will of Daniil Shalamov, who has practically ceased to be human, begin a real hunt for members of the Resistance...