In 1920 Poltava, Ukraine, the first Soviet colony for street boys was created. This film tells the story of these rebellious kids and how the colony's director sought to rehabilitate them by allowing them to govern themselves.
Group of youngsters find a sunken sailboat used by guerrillas during WWII, raise it, repair it, and sail out to sea for adventure.
On a small island is a lighthouse. The lighthouse keeper, the old boatswain Yemelyan Leleka, lives here with his wife and daughter. The boat that delivers supplies is the only guest from the big world. Over time, the girl feels romantic feelings for the boat captain - Igor.
