Niu Xiaowu, an unlucky but optimistic young man, was involved in the conflict between the three realms after a "vision from heaven". He originally wanted to keep a low profile and cultivate immortality, but he accidentally caused troubles many times and met a number of strange teammates such as Hua Ling'er and Zhu Yun. Jiang Ange, the leader of the orthodox clan, secretly planned the plot, and the villain forces were ready to move. Niu Xiaowu was forced to move around in all walks of life. After experiencing various hilarious, passionate, and thrilling events, Niu Xiaowu gradually grows up, forges friendship and love in the chaos, and finally uncovers the mystery of his life experience, breaks the crisis in the three realms, resolves grudges with wit and humor, and leads everyone to usher in a new era of peace.