Here Passes the Border (1971)

An adventure film in three parts. Veteran border guard Yakov Koreshnikov leads an operation to detain a group of foreign agents. In the 1920s he helped destroy a basmachi gang and first met the traitor Abzal; later, during the war, saboteurs sent to the Turkestan railway were destroyed but Abzal escaped. The film was made at Uzbekfilm by directors Yuri Stepchuk and Eduard Khachaturov.