Luo Shubai grew up in the mountains with his master since he was a child, and he is proficient in medical skills. Due to his master's order, he went down the mountain to Nanhe City to search for someone. By chance, he entered Nanfengdu and met Lu Hengzhi, Ye Fenfeng and others. Not long after they got along briefly, gang leader Mu Qingyi suddenly suffered from an old illness. At the same time, Nanfengdu encountered the plot of Yue Yaozong, a friend of the gang, and was temporarily in trouble. Luo Shubai searched for life-saving medicine for Mu Qingyi and left alone. Later, he met Lu Hengzhi again in a different place and was on a mission...