What happens to us when we die? Everything that comes after death seems to be uncharted territory. Yet, there are countless people who report extraordinary experiences after a cardiac arrest, standing on the threshold between life and death, suggesting that human consciousness is immortal and that there is indeed life after death. Psychiatrist and neuroscientist Dr. Bruce Greyson, the father of near-death research, has been investigating this astonishing phenomenon for over 40 years. Here, he presents the most fascinating and touching near-death experiences of his patients and demonstrates the profound effects such experiences have on their later lives. For a glimpse behind the curtain, to the other side, forever changes the affected individuals' perspectives on all aspects of human existence.