Plot: 50 years after the event that marked the history of medicine, the program dedicates an episode to one of the most shocking medical achievements of the last century: that of allowing a person to live by removing their diseased heart and putting the heart of another in its place. Something that no one in the past could have even imagined and which was achieved in December 1967 by an unknown South African surgeon who later went down in history: his name was Christiaan Barnard