Lu Jing is an ordinary working man who works as a security guard by day and a designated driver by night. By chance, he gains the recognition of the Earth-Core Gourd and becomes its master, releasing the Demon Venerable sealed inside. He then begins cultivating under the Demon Venerable's guidance. He learns medicine, develops the True Void Eye, and gains access to miraculous pills and medicines. Along the way, he treats the sick, humiliates villains, earns money to buy a house, and embarks on a journey of rising from an ordinary life to success.