In 2050 AD, programmer Xiao Qingfeng accidentally obtained the "digitization of all things" system, and from then on he saw everything as code. He can fix bugs in the city's operation, and he can also see through the secrets in the data flow. When a crisis hit the city's main network, he transformed from an ordinary social animal into a world-saving hacker. However, a bigger conspiracy is quietly emerging, and his colleagues around him seem to be aware of his abnormality... A cyber legend that begins with "repairing the world" begins!