A pianist named Garvey, while traveling on a tour, gets off the train to buy cigarettes, and learns from a salesgirl that the cities imagined by Grin really exist. Forgetting about his tour, he goes to one of these cities, where he meets the captain of “The Waverunner”…

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.

The Soviet army is approaching the Bulgarian border. Many government ministers and army officers prepare to flee the country. The partisans take over the key administrative buildings. At the War Ministry, the commander of the armored brigade Major Essev hesitates between his sense of honor as an officer and his patriotic duty. He takes the side of the partisans.

The courage to preserve one's integrity in trying times.

A geologist engineer Yuliya disappears. Ablamov, an elderly engineer, organizes a rescue party to look after her in the mine galleries but they find nothing. Yuliya was last seen at a ceremony for award-wining miners. The newsreel crew was filming the event. Yuliya left in the middle of ceremony. Prodanov, a headstrong and quarrelsome engineer, had followed her. Suspicion falls on him. However, the film sequences shot at the ceremony reveal that Ablamov reacted suspiciously to Yuliya's exit. Detected as the murderer, Ablamov attempts to cross the border but is caught. Yuliya had discovered that the ore contained uranium. Ablamov had replaced the samples in order to prevent the development of the uranium ore deposit.

The action takes place at the end of WWII. It is 1944 on the Yugoslav front, where the Bulgarian Army is fighting bloody battles against the retreating Nazi units. Several lorries loaded with Bulgarian soldiers make a detour so as to deliver ammunitions to an army unit. They are people with different convictions sharing a common goal - to come out victorious and to return to their peaceful everyday life. Among them are people who believe in the triumph of the new system and for whom the difficult crusade is a confirmation of their ideals. They are also uncertain people. For the youngest this is the first trial in life. A young Yugoslav woman helps them find the road through the dangerous front line. Her romance with the one of Bulgarian soldiers symbolizes solidarity in the struggle against the common enemy. After a series of difficulties and mishaps, the soldiers manage to deliver the ammunitions to their comrades.

Three young men, who have become friends while doing their national service, make their way in the world.

The university student Bobchev joins a youth brigade. The commander's council entrust Bobchev with a literacy course for members of the brigade. Velizarov and Monkata arrive in the camp to carry out sabotage. They place explosives on the dam, and attempt to win Bobchev over by means of intrigue. There is a storm: the camp is put on the alert. Everyone joins the rescue work at the dam. After a long struggle with Velizarov, Bobchev cuts the burning fuse of the explosive. The dam does not yield to the pressure of the flood. Everymen sing in Jubilation.