An international terrorist network sends an experienced agent to Russia with the task of creating a military network of local Muslims in the city of Novodonsk. Step by step, slowly and carefully, the “sent Cossack” implements his subversive plan. But suddenly everything goes to hell... Colonel Viktor Loginov from the FSB, who came to Novodonsk on a completely different matter, appears on the terrorist’s path. Two professionals will face each other in a fierce battle of life and death. Until the last drop of blood, until the last breath...