Lin Yunbai, a mortal boy, wanted to live alone and wait for death, but he got involved in the world's turmoil because he accidentally got a spirit sword that could make complaints. Along the way, he recruits his bad friends Fat Sangou and the medical girl Hua Ling'er, and meets the aloof daughter Su Caiwei. He encounters repeated setbacks but is full of opportunities. In the spirit of being stubborn and running when he can, Lin Yunbai solved an ancient mystery by mistake, made friends, turned enemies into friends, and finally broke through the limit, smiling to the sky, making his life ups and downs and full of fun. Between the intertwining of swords and spirits, a long oriental fantasy about growth, passion and humor slowly unfolds.