Modern office worker Lu Wanjin opens his eyes to time-travel into the cultivation world, becoming the junior uncle of Qingmiao Taoist Temple. Little kid Mansui turns out to be the lost chaotic spiritual root, and also the biological daughter of the Demon Lord and the Valley Master. The Taoist temple is fraught with crises, suppressing spiritual nails block heaven and earth spiritual energy, and the Nether Pavilion is pressing closer step by step. The unreliable junior uncle and the genius junior sister, leading a crowd of eccentric senior brothers, while supporting their family, uncover the secret of the three-thousand-year spiritual veins, stepping onto a passionate road of saving the Great Wilderness.