Choir girl Sakhaya lost her voice after being struck by lightning. Her sister Alisa is offered a job at a bird biostation, but she does not want to leave her sister. The choir conductor sends the sisters to perform at a distant Youth Theater. Alisa and Sakhaya set off on their last childhood journey before parting.
The youngest admiral in history Nikolai Gerasimovich Kuznetsov enters into a confrontation with an experienced and cunning opponent - Commander-in-Chief of the German Navy Erich Reder. At the front is a difficult situation, and it is necessary to make risky and ambiguous decisions.