The Hungarian trolleybus driver Sh. Turotsi, who lost both arms two years ago, tries on specially designed prostheses for him in the ward of the Prosthetics Institute in Moscow. Director of the Institute, Professor B.P. Popova and the attending physician E.P. Gladkova examine hand prostheses. S. Turotsi with the help of prostheses writes a letter, drinks from a cup. Technician-prosthetist helps S. Turotsi with the help of prostheses to master the work of a hammer and a file.