It is rumored that on the night of the construction of the Luoyang Palace, a divine dragon appeared, spitting out heavenly fire and burning down the palace. Its carpenter either died or went missing. Di Renjie was exceptionally promoted to the position of Deputy Minister of Dali Temple to handle this "palace arson case". During this period, I have been under constant pressureObstruction by mysterious forces, and even self assassination. But through the assassination attempt, clues were found, and under the guidance of the hermit Mr. Li, the young master Gong was found. Using Young Master Gong as a breakthrough point, gradually uncover the truth. In the face of beautyWith the help of his confidant Liu Yueru, he successfully destroyed Gong Shaoye's mechanism manufacturing base in the underground palace. However, Gong Shaoye was just a chess piece, and behind him, there was a mysterious person in charge of the overall situation. And this mysterious personAt this moment, he is controlling the Thunder Fire Mysterious Dragon created by the Lu Ban technique, hoping to eliminate the Emperor Gaozong, Empress Wu, and various civil and military officials in the palace in one fell swoop, thereby overthrowing the court. Di Renjie arrived at the critical moment and found the thunder fireXuanlong's weakness revealed the mysterious person, only to discover that he was actually a descendant of Prince Yin, and it was Mr. Li who had helped him in the past.