Li Xiaoxiao, a grassroots young man, enters the world of cultivation because he accidentally obtains a mysterious spiritual root. He meets a strange best friend and a genius female cultivator. After going through trials, sect disputes, the war of the three realms and the challenges of the devil, he continues to grow in a humorous atmosphere. As his personal power and influence increase, he gradually uncovers the truth about his identity and the turmoil in the Three Realms. Multiple emotions and fate lines are intertwined. Between conspiracy and life and death, the little person resolves the crisis with wisdom and emotion, and finally realizes self-salvation and protects the three realms of life.