This story is about the events of the beginning of the century, the circus, in which the favorite of the troupe Alesha grew up. After the mother - acrobat Maria-Louise died, his childhood was over. Revolutionary events influenced the fate of a small circus - and the boy was left alone. But when in his life appeared Bolshevik Stepan Ratushny, Alyosha again began to perform in the circus.

The year is 1962. Returning after an important mission, the polar aviation pilot Tagilov saves a young woman, Tatyana, who is stranded on a chipped ice floe. She is a doctor.