A poetic biography of a generation of young pre-war and wartime people, based on the works of Yuri Nagibin. Four inseparable friends — Sergei, Nina, Oska and Zhenya — spent all their school childhood on the Clean Ponds, in Moscow. But the school is over, and in their beloved gazebo they dream of the future, swear fidelity to each other and do not yet know that tomorrow war will break out and they will become participants in terrible events …