The protagonist, Xiao Yan, is a takeaway boy who comes from a poor family and whose mother is seriously ill. In order to treat his mother's illness, he works hard every day to run orders and suffers many injustices. While delivering food, he accidentally broke into a secret realm of immortality, obtained the ancient inheritance of immortality and a spiritual bead, and awakened his spiritual roots. Xiao Yan took advantage of his breaks to practice, and with the help of spiritual beads, he quickly improved his cultivation. He not only cured his mother's illness, but also gained extraordinary abilities. In the process of running orders, he helped people in need, met like-minded partners, and exposed the evil forces hidden in the city. In the end, Xiao Yan became a strong immortal cultivator in the city, guarding peace and allowing his mother to live a happy life.
