Ling An was known to everyone in the Qinglan Sect as a "good old man". He watered the flowers and swept the floor, took the blame for his fellow disciples and was scolded. His cultivation was low, as if he was meant to be mediocre all his life. Until the messenger from the Immortal Realm came and sternly held the Demon Lord accountable for his crimes of wreaking havoc on the three realms, the overwhelming power of the Immortal made the whole clan bow down. While everyone was panicking, Ling An whispered: "Did I crush that devil to death while making tea yesterday?" Everyone was shocked! A token appeared on his waist, which was the soul token offered by the Supreme Lord of the Demon World when he begged for mercy. Since then, the legend of Lao Liu, a mean and sinister man who is invincible in the world but prefers to hide behind the scenes, has quietly begun.