Modern surgeon Lin Zhao accidentally traveled back in time to the Kangxi period of the early Qing Dynasty. He used modern medicine to save a seriously ill young emperor, and was regarded as a "miraculous doctor." But every time he used magic to save people, a blood-marked curse appeared in his body - it was the punishment from heaven for "changing one's fate against the will of heaven". He saved Kangxi's life, but it led to the disaster of witchcraft, the assassination of princes, and the infiltration of foreign religions. Even the Queen Mother called him "the end of his life and a monster came into the world." When Kangxi asked him in tears: "Have you ever regretted saving me?" Lin Zhao looked at the black lines spreading on his palms and smiled bitterly: "I saved the world, not just one person."
