The film tells about the work of surgeons at the Bakulev Moscow Institute of Cardiovascular Surgery. The film includes shooting: 1 part. Professor V. Aleksin-Miskhishvili and his team operate the child in the operating room. V. Aleksin-Miskhishvili tells at the morning conference (sync.) 0 the results of the operation. Women with small children in their arms at an appointment with surgeons. Nurses take care of sick children after undergoing heart surgery. Doctors resuscitate a patient in an ambulance. X-ray of the patient's heart. Cardiologist, Professor Georgy Iziman and Professor Vladimir Rabotnikov talk (sinhr.). in the office. Part 2. Professor G. Zuckerman and his team operate on a patient. Fragments of heart surgery. The operated man gives interviews (sinhr.). Professor L.A. Bokeria and his team operate on a patient. Professor V. Bukharin operates on a child with congenital heart disease, gives interviews. Director of the Moscow Institute of Cardiovascular Surgery named after Bakulev VI Burakovsky operates, gives interviews (sinhr.). During the morning conference, surgeons work in the diagnostic room on computers between operations. A woman with an operated boy during her discharge from the hospital.