A Soviet scientist creates a brilliant robot. This is a boy who is able to solve any mathematical problems, he writes the best essays and sings perfectly! And he is also an exact copy of schoolboy Seryozha Syroezhkin. A clever boy quickly shifts all his duties to an electronic double. He does his homework for him, goes to school and does household chores that his parents entrust to Syroezhkin...

Young friends participate in the Odessa Bolshevik underground's activity in the pre-revolutionary years (1910-1912).

A romantic comedy about a young officers from army base.