Captain Jack, this is actually an ordinary girl, she is an informal leader among the boys, loves the sea very much and spends a lot of time on the decommissioned ship Signal. The film tells the amazing story of the Signal team, which during the war saved the lives of Soviet prisoners of war, among whom were Gunar and Mitya.

Children of Varnu Street whose fathers work in nearby factories face the "Tuliana Empire" - a group of boys, children of merchants from the nearby Lauku Street.

The Civil War. In order to capture Siberia, the White Guards decided to take Yakutia first and captured Jan Krasts's reconnaissance unit. However, the Red Army unit managed to escape. They blocked General Pelov's path and kept Yakutsk under their control until the arrival of the Red Army units...