Edgar M. and his mother come abroad a small ship to Eden Sanatorium spa. It is here that the wife, wronged by her husband, will seek a cure for her bad headache, while the 13-year-old Edgar M. is fighting his first male impulses as well as 'enoresis nocturna', the prettier word for wetting one's bed. The boy's amazed gaze hungrily devours the diverse hotel guests, their love joys and sorrows, while passion lustfully penetrates the walls, carried by the voice of the enchanting opera singer.
Nurse Nikolova takes care of the elderly. She faces various human destinies. Her patients spend the rest of their lives alone. They seek from her what they have not received from their own children. They love her. Nurse Nikolova touches on the complex problems of human existence.
World War II. Vasil is in serious conflict with the police officer Simeonov and at the same time with his childhood friend and brother by faith - the partisan Kalin. Yana comes between Vasil and Kalin. She has grown up with them and they are both in love with her. She loves Vasil more but she cannot accept his individualism. The tragic struggle in Vasil determines his doom. After the coup on September 9, 1944, he arrests Simeonov, but when he takes him to the military tribune, he dies unexpectedly.
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.
Scenes from the life and revolutionary activity of poet Nikola Vaptzarov are shown against the background of political life in Bulgaria on the eve of World War II.
The action takes place in the last years of the Second World War, immediately before the socialist revolution in Bulgaria. It centers on the life of the middle-class family of Lazarov, which is torn by the sharp political contradictions taking place against the background of the popular struggle against fascism. The father Vitan goes through terrible mental traumas, which are the price, he has to pay for his illusions that in such clashes one can remain neutral and free from politics. The partisans execute the son Boris - a fascist officer, a sadist and a murderer. The daughter Lily is forced to search for her place in the conflict between the representatives of two hostile worlds - that of fascist brother and her husband - a communist and a revolutionary.
