In the prehistoric steam era, Lin Mo, a time traveler who was born with extraordinary spiritual veins, was humiliated by Zhao Tianjiao, the young master of the Zhao Chamber of Commerce, who broke off the engagement in public on his wedding day in Iron Dome City. In order to avoid being assigned to mine by his family, he must pass the Steam Academy admissions exam in three months. Accompanied by the cold-faced and warm-hearted old mechanic Lao Chen Tou, Lin Mo worked in a repair shop to learn the basics of steam machinery while secretly trying to use the pen that could modify reality. He met Su Xiaoman, a master of vitality technology, and gradually became involved in the intricate power game in Iron Dome City. From passing the entrance exam, fighting against Zhao Tianjiao's constant pressure in the academy, to discovering the truth about his blank divine vein, and touching the secrets of the Great Desolate Engine, Lin Mo circled between the Iron Dome Council, the Immortal Cultivation Clan, the Tiangong Alliance, the Children of the Wasteland and the secret Gear Cult. He used his golden fingers and knowledge of steam to solve crises one after another, and grew from a ridiculed person with a broken vein to a key figure affecting the balance of the world. In the end, faced with the ultimate conspiracy of various forces to compete for the ancient engine and attempt to restart the Lingjie Tribulation, Lin Mo must make a choice whether to become the new ruler of the rules or to protect this absurd world where steam and gods and demons coexist as a mortal.
