In Pyatizonye they don’t give anyone a nickname just like that. And if you are nicknamed the Diamond Mongoose, you have to live up to it. Former helicopter pilot Gennady Khomyakov tried. And his main problem remained survival. After all, everyone was interested in the Diamond Mongoose - wild stalkers, military cleaners, ruthless knights of the Order of the Sacred Knot. And the hordes of biomechs inhabiting the Chernobyl wasteland did not allow the bearer of mysterious superpowers to pass. But it turned out that there was a more important problem. The sudden disappearance of an old friend, and also the famous journalist Merlin, forced the Diamond Mongoose to temporarily forget even about biomechs...