In 2025, while Lin Yu, a young medical genius, was conducting a mysterious space-time energy experiment in the laboratory, he accidentally triggered a space-time vortex, and a strange light involved him. When he regained consciousness, he found himself in a strange ancient battlefield. Fighting was raging all around, the shouts of killing were deafening, the soldiers waved their swords and guns, and blood splattered everywhere. Lin Yu was so frightened that he was knocked to the ground by an injured soldier in a panic. Just when he thought he was going to die, a mysterious old man in white appeared. The old man waved his sleeves gently, and the flames of war around him seemed to be suppressed by an invisible force and became quiet. He helped Lin Yu up, looked at Lin Yu's doubtful eyes, and said, "Young man, since you have come here, you are destined. This continent is suffering from both plague and war. Maybe you can change everything." After that, the old man turned into a light and shadow and disappeared. Lin Yu knew that he was in trouble, but thinking of his medical knowledge, he secretly vowed to survive in this world and find a way back.
