The popular science film “H+” is dedicated to the achievements of modern biomedicine, which can help people who have lost limbs to lead a full life with the help of bionic prostheses. Dmitry Koshechkin in the past, as a result of illness, was forced to amputate his arm. Appeal to the company "Motorika", which specializes in the production of bionic prostheses, radically changes the life of the protagonist.