Ani, a charming young girl, is a driver at Sofia Airport. She sends a letter to her boyfriend Boyan, a worker at a large construction site. The letter contains a single word "yes". Boyan starts preparing for a wedding. The Soviet pilot Andrey will soon return home after several years spent working with his Bulgarian colleagues. They arrange a farewell tour of Bulgaria for him on which Ani has to drive him. Because of mistaken jealousy, Boyan tears up his sweetheart's letter.

Boris Morev dreams of money and power, he’ll do everything to reach the top, including leaving his beloved Irina, to marry the daughter of the local tobacco factory owner. With the death of his father-in-law and the illness of his wife, Morev becomes the new owner of "Nicotiana" and rules with an iron fist, resulting in massive labour strikes and murder. He ropes Irina back into his life, first as a mistress and later as his second wife, but his ambitions still come first as he plans on emerging as the biggest tobacco seller once the war is over. Irina’s love for Boris is fading and she finds a lover in one of the Germans Boris is trying to strike a deal with. Set against the backdrop of World War II and communist partisans fighting against the Nazi-allied Bulgarian monarchy, the film is a screen adaptation of the Bulgarian classic novel "Tobacco" released in 1954.

Stefan and Tanya arrive in a miners' settlement. They register as a married couple at the hostel, but Tanya admits to the house managers that Stefan has a wife but has started divorce procedure. The two have fled from the scandal. Stefan starts work at the mine and she waits for him in the hostel with little to do. Her mother arrives. Unable to swallow the humiliation of having been rejected by Tanya's family, Stefan gets drunk. When he comes back, he starts a row and has to be restrained. Stefan takes offense, leaves the mine, parts with Tanya, and becomes a waiter in the pub. Soon he obtains a divorce. He wants to take Tanya back to his native town. She refuses to give up her new friends and the steady job she has found. Stefan sets out alone. At the very last moment, he jumps from the bus...