A special issue of the newsreel "Your sons, Cuba", dedicated to the stay in the Stavropol Territory and training at the agricultural mechanization school No. 9 in the village of Grigoripolis of the Cuban People's Militia. Cubans in theoretical and practical classes, harvesting wheat; read newspapers, talk with pioneers, give interviews (synchronously in Russian). One of the Cubans reads in Russian an excerpt from V. Mayakovsky's poem "Lenin". Landscapes of the Kuban River. Sweet cherry harvesting. Soviet and Cuban youth on the banks of the river. Cubans sing to the guitar (synchronously). Issuance of certificates of graduation from the school. Solemn seeing the Cubans home (synchronously).