American intelligence agencies gave him the nickname Mountaineer, Russian - Veteran. Previously, he served in the KGB, then in the security agencies of Azerbaijan. Now he is embedded in an elusive terrorist organization based in the mountain caves of Afghanistan. So who is he really? Perhaps Fizuli Huseynov himself will find it difficult to answer. But this is not important, only his task matters. The secret terrorist laboratory for the production of “dirty” nuclear weapons was destroyed, but two containers with finished “products” disappeared in an unknown direction. Sooner or later they will surface somewhere, putting the lives of thousands of people at risk. This cannot be allowed. And then the Veteran’s hour will come - it will be he who will find himself in the role of a weapon of retribution...