A vast power plant is being built on the Drina River. This river has been famous for hundreds of years old tradition of rafting. In this way timber is transported downstream to Belgrade. This is a very dangerous profession where only qualified and experienced workers survive. Work on constructing the dam connects two heroes in this story – Bogdan, one of the last rafting masters on the Drina and Dragoljub, one of the oldest explosive experts who has been building dams all over the world. This is a film story about their long lives, happy days and disappointments, about the friendship that is born in the shadow of an enormous dam.