Veronika and Boris come together in Moscow shortly before World War II. Walking along the river, they watch cranes fly overhead, and promise to rendezvous before Boris leaves to fight. Boris misses the meeting and is off to the front lines, while Veronika waits patiently, sending letters faithfully. After her house is bombed, Veronika moves in with Boris' family, into the company of a cousin with his own intentions.
Four geologists are searching for diamonds in the wilderness of Siberia. After a long and tiresome journey they manage to find their luck and put the diamond mine on the map. The map must be delivered back to Moscow. But on the day of their departure a terrible forest fire wreaks havoc, and the geologists get trapped in the woods.
A graduate of the culinary technical school of the cook, Tosya Kislitsyna, a naive and eccentric girl, came to the village lost in the northern forests. She sticks her nose in all affairs, seeks to help everyone. She met Ilya on the day of arrival: the "first guy in the village" fell upon her indignantly, and in the evening, to brighten up an unpleasant meeting, she decided to "make happy" with an invitation to a dance and was refused. Not accustomed to refusals, Ilya argues with Filya that during the week he will fall in love with Tosya...
