A time travel turned Ouyang Mu into the "Green Light Monster" in the prosperous Tang Dynasty. The original owner accidentally ate the Green Spirit Grass and died. He took over the luminous body and was hunted down by the Hongwen Hall and the Forbidden Army. In a desperate situation, he looked to the mysterious old man and embarked on the road to find medicine to avoid disaster. He adapted his modern soul to the dangerous environment of the prosperous Tang Dynasty, struggled to survive amid rumors and crises, and made a comeback against the odds.
