Lu Rong, the young lady of the Duke Who Guards the Nation's household, was separated from her family for three years. Kind-hearted, brave, clever, and lively, she unexpectedly returns home and becomes the family's heartwarming lucky star. To protect their homeland and preserve peace, the Lu family has always kept a low profile and faithfully fulfilled their duties as loyal subjects. Yet with her sincere and pure heart, Lu Rong unknowingly resolves one crisis after another. When her elder brothers encounter difficulties managing the family business, her heartfelt blessings always bring unexpected good fortune. Whether at palace martial arts competitions or literary poetry gatherings, her straightforward nature effortlessly dispels awkward situations and wins everyone's affection. When she encounters an elderly man in distress on the street, she readily lends a helping hand. Faced with drought-stricken refugees, she takes the initiative to propose relief efforts, joining her family in opening the granaries, providing aid, and comforting the suffering. Through her kindness, she brings warmth and hope to everyone.