Based on the motifs of M. Bulhakow's story with the same title. The thing about the scientist-zoologist Persikow, whose unique invention makes the rate of formation and development of organisms grow thousands of times. The experiment subjects eggs of the anaconda, which by mistake go to the mad director of the model chicken farm, dealing with rebuilding the hen population in the country. Irradiated reptiles, hatching from eggs, start to devour.

The film tells the life story of the famous Russian scientist, researcher, traveler and pioneer Nicholas Miklouho-Maclay. The film shows the most interesting moments from the life of a scientist and his travels. Nicholas Miklouho-Maclay was the first to land in New Guinea, getting acquainted with the aborigines, their customs. Among the natives of New Guinea, Nicholas Miklouho-Maclay lives for several years. The scientist also falls in love with the daughter of the Vice President of Australia, the film shows the relationship between Nicholas Miklouho-Maclay and his lover.