Lin Xiaoman, the king of workplace detectives, accidentally obtained an ancient mirror and joined forces with the upright general Shen Yan across a thousand years to solve the case and fight against the mysterious shadow master who tried to overlap time and space. The two space-times are quantumly entangled through the 'ancient mirror'. The shadow master uses this entanglement to create 'time and space turbulence', trying to swallow up both worlds. The key to restoration lies in the resonance of the Guardian bloodline.
