Xiao Longtian cultivates diligently in the deep mountains and acquires formidable skills. After finishing his studies and descending the mountain, while searching for the whereabouts of his mother who has been separated for many years, he rescues his childhood sweetheart Zhou Mengxue, who is trapped in adversity, and officially steps into the metropolis for trials. Endowed with extraordinary martial arts and exquisite medical skills, he relies on his own strength to punish evil forces and resolve various disputes and dilemmas. Several former senior sisters successively come to offer their all-out assistance, and confidantes accompany him along the way. Along the journey, he gradually uncovers the hidden past of the family changes and relatives suffering misfortunes twenty-one years ago, steadily ascertains the truth of the behind-the-scenes forces, properly settles old grievances, establishes a firm foothold with his own abilities, and carves out an extraordinary world in the metropolis.