The ancient world and the modern city are connected through the "time and space rift". The protagonist Lin Action, as a genius of alchemy in the ancient world, traveled to the modern city due to a training accident. He practices medicine as an "ancient immortal doctor" to help the world. At the same time, he uses the resources of the ancient world to solve urban crises and secretly seeks a way back. The training system is divided into martial arts, alchemy, and formation. The core conflict revolves around the ancient powerful game behind the "time and space rift".
