Lin Qingqing, an urban convenience store manager, was living a peaceful night shift life. A supernatural crisis on a stormy night leads her to encounter Mo Qiong, an Immortal Venerable who returned heavily injured and newly entered modern society. To protect the descendants of the Lin family, Mo Qiong transforms into a store clerk. One masters secular rules while the other possesses peerless combat power; they complement each other and fight side by side. Hand in hand, the two confront ancient arch-enemies and supernatural crises, unlock their destined bonds, dispel the dark shadows of curses, and ultimately safeguard urban peace and the warmth of human life.