Todor Primov is an officer of the royal army who changes sides and goes over to the partisans. After the war, he graduates in engineering and is appointed manager of several construction projects. His car crashes on the eve of March 13. After his recovery, Primov resumes his work. Yet, secret...
Captain Velkov was sent chief of a border post near the village of Novi Izvor, where he was a partisan. In Novi Izvor a celebration is being prepared to mark the switching on of the electricity. Saboteurs cut the cables, killed the watchman and set fire to the machinery on the farm.
