Erkin, a construction foreman, strives for quality in his work and becomes an authority on the construction site, but his love for Nazira, who has a child from a previous marriage, jeopardizes their happiness due to his uncompromising nature.

A young physicist, the energetic and talented Timur Akbarov, joins the small established team of the scientific laboratory. Step by step — bowing and not stumbling — the enterprising hero gets closer and closer to the goal...