A commoner woman Su Wan saves the critically injured General Who Guards the Nation. She moves into the general’s manor with her daughter Youyou. Three-and-a-half-year-old Youyou is innocent and blessed with good fortune. With her soft words and pure heart, she heals the second brother Xiao Jue, who is disabled in his legs, awakens the third brother Xiao Yu, a crafty yet woodworking-loving young man, and rescues eldest sister Xiao Qing from a fire. She also melts the stern old madam’s heart. The cold, distant Xiao Manor fills with warmth, and Youyou becomes the beloved lucky star of the whole family.
