The film is dedicated to the construction of the Baikal-Amur Mainline and the first builders of the BAM: members of the Moskovsky Komsomolets construction team sit around a fire, talking with the head of the detachment MF Sazonov. Construction of a village for the builders of the BAM, members of the detachment cut through a clearing in the taiga. Meeting building (synchronously), the work of equipment in construction, the life of builders, the laying of railway tracks.