Organ transplants prolong human life, and are considered the greatest medical wonder of the 20th century. But as the field develops, it has raised greater technical and ethical questions. It is a field that continues to bring hope to those in despair. By taking a closer look at the most typical cases in the field, such as parental liver transplantation, hand transplantation and face transplantation, this episode shows how surgeons have worked to build a bridge between life and death through meticulous thinking and extraordinary imagination.