Dragon Lord Zhou Tian returns to the metropolis to break through his cultivation and temper his state of mind, searching for his seven sisters whom he has been separated from for eighteen years. Each of his sisters is outstanding in talent and successful in career, holding their own in different fields. Former rivals appear once again, attempting to harm his family. Zhou Tian protects his family with his own strength, punishing evil and promoting good, and upholding justice. In this life, he seeks no false fame or hegemony, only wishing to be his sisters' most reliable younger brother, and with all his skills, to protect his seven sisters in peace and prosperity for a lifetime!