With the efforts of one of the active residents of the building, Karapet Sargsyan, the yard of the building is asphalted. Sargis and Vardan get really enthusiastic with his example and decide to organize tree planting event. They get involved in the preparatory activities, but they soon find out that there is no irrigation system in the building. Later it turns out that they’re short of saplings. The boys are frustrated. However, the counsel of the priest and Sargis’s mother help the boys to eventually make their decision come true. How?