A film about Yakutia. Nature, landscapes (summer and winter shooting). Lena river. Movement of ships. Loading and unloading at the port. Expeditions of geologists. The city of Yakutsk. Streets, buildings. Students in the classroom at the University. The airport. City Mirniy. Diamond mining. Production processes at the processing plant. Construction of the Vilyui hydroelectric power station. Issyakh folk holiday. The participants of the holiday are dancing.