Tiandao Workers: I Rely on Backtracking to Investigate the Case

Yue Yuan took charge of the "Fengtian Book" and entered the Chengjing Division. Inheriting the Dao Order of Heaven and working for the Dao of Heaven, gathering good energy to clarify the mind, collecting evil energy to sharpen the blade, blending good and evil, and refining the Tao to become martial arts. Rely on retracing the scene and modern knowledge to solve each case. Heaven rewards good and punishes evil, and I am the only one who does it!