19th century. Russia, one of the biggest and most powerful empires in the world is fighting a bloody war to subjugate the free peoples of the Caucasus. In 1828 Caucasian Imamate was established in order to unite Caucasian peoples against Russia under the banner of Islam. By 1834 the situation is dire. Ghazi-Muhammad, the leader of the Imamate, gets killed in an ambush by the Russian forces. One of his loyal warriors, Shamil, barely escapes alive. The fight must continue, but the future is uncertain.
Alexey Titarenko is very talented pilot and brave leader of "Singing group". He also must look after some new cadets and fight together with them against German Luftwaffe planes. Close to Alexey always are his friends, they are all from different parts of the country, but they all became real brothers.