The end of 50s. Bulygin, a former chief of central directorate, is delegated to Siberia to the construction of a bridge across river Severnaya He takes his family with him: the wife, son, daughter and the daughter’s bridegroom. Some time ago Bulygin used to be an experienced builder, but now he is an imperious official unable to make contact with the workers which makes people leave the construction. However after spiritual trials Bulygin becomes a skilful leader again.
