Medical giant Gu Cheng successfully developed a miraculous anti-cancer drug and unexpectedly traveled back in time to fifty years ago. To save his mother and help others, he made the anti-cancer drug available earlier. However, this product beyond the understanding of the times was questioned by the outside world. After one drug trial after another, Gu Cheng was highly recognized and became a leading figure in the medical field, beginning to lead a new round of medical revolution.