After transmigrating into a high-martial alternate world, Lu Sheng spends three grueling years working at the docks to save ten taels of silver for martial arts tuition, only for his Lu family relatives to forcibly take it away. At the brink of despair, he activates the Heavenly Dao Rewards the Diligent System. Through relentless labor and arduous training, he improves his strength by raising his proficiency. Starting as a dock laborer, he relentlessly practices Iron Skin Stance and Iron Sand Palm, confronting the Black Tiger Gang and the evil Ascension Sect. He battles his way through challenges and arena fights, becoming the fifth direct disciple of the Iron Mountain Martial Arts School and joining forces with the Canal Gang and the authorities to eliminate evil spirits. But just as the Ascension Sect's chaos is about to be quelled, the emperor dies, the nation's fortune dissipates, and turbid energy erupts from the earth's veins, bringing an even greater catastrophe without warning.