Factory buildings. Workers in the cutting shop cut the blanks, cut the soles in the blanking shop, work at the punching machine, make mechanical stitching of the soles. The block is on the machine. The worker dries the workpiece, polishes the shoes. Workers smooth the skin on tables, ferment the skin in vats. Laboratory assistants in the laboratory. There is a production meeting in the director's office. Work at the scraper. The worker punches and cleans the heels. A worker winds waste belts onto spools.