Qin Ming, the Demon Venerable of the Nine Yous, suffered a betrayal during his heavenly tribulation and fell to the mortal world. He was saved by Uncle Zhang of a diner and disguised himself as a delivery driver to hide in the human world and repay the kindness. While delivering food, he accidentally met the female CEO Zhou Anni, forged a bond, and made Zhou Anni fall in love with him as they experienced various trials. Facing the pressure and constant pursuit from dark evil forces and the Li family, Qin Ming revealed the true strength of the Demon Venerable, and seventy-two demon generals came to protect their master. Qin Ming uncovered the truth about the betrayal during his heavenly tribulation back then, defeated his arch-enemies from the Dao Palace and Buddhism, and ultimately stayed in the human world, returning to the bustling mundane life.