Zaur is a famous and popular playwright. While working on his new play, which is given to him painfully, he realizes that a turning point has come in his life.

During the battle with the Nazis, Lieutenant Soslan was shell-shocked and captured. A funeral comes home. But he escaped from captivity and is hiding in the attic of his home.

Having once seen a portrait of the shah dancer Madina Banu, the singer Murad-ali falls in love with a beauty and sets off in search of her. The hero finds himself in the palace of the Shah, and soon becomes convinced of the reciprocity of his feelings. But his appearance becomes known to the Shah. An angry ruler offers him a choice: rejection of his beloved or the burning of both at the stake.

The Chairman of the collective farm Sattar Safarov devoted many years to growing cotton. But a new time is coming, and with it another generation of cotton growers. Among them is Safarov's son, a young scientist Murad, who bred an original variety of cotton and wants to sow it in the fields of his native collective farm. Safarov does not dare to experiment. Murad quarrels with his father, but then realizes that he is right. After a while, Murad has the idea of searching for new varieties using a computer. With his friends, the teacher Yamschikov and cyberneticist Timur, Murad begins to make the first experiments…