An FSB agent, Anton Startsev, is infiltrated into an organized crime group of drug dealers. Due to circumstances, Anton dies. Instead, the department recruits his brother Sergey. Sergey, a petty criminal, categorically does not want to work for the "department." He is in the midst of an affair with Svetlana. And in general, it seems to him that everything in life suits him. But when criminals take his girlfriend hostage, he is forced to take his brother's place and continue to carry out the task of eliminating the organized crime group.