1945. Among the rubble from the Sofia bombardment a group of kids with the oldest one being 12, make secret plans for a sea voyage. As it should be done, the plans are devised in a gloomy basement of a destroyed building. The vow "Silence to the death" is said. The main source of the kids is the diary "Magellan". At the same time the kids start to collect donation for the wounded at the front. One day, the money collected by the kids disappears. After numerous doubts and uncertainties, it turns ...