Su Li, the ancient immortal king, accidentally traveled to the modern city and possessed the body of a programmer "Su Li" who died suddenly from overwork. Based on the background of the modern workplace, she relies on her extraordinary immortal soul and deep understanding of rules (programming, physics, etc.) To skillfully integrate the laws of immortality into modern technology. In the crisis-ridden business war and supernatural struggle, she fights side by side with Lu Hanzhou, the president of Xinghan Technology, to protect the company and explore the truth of the world.