Lin Wan unexpectedly wins a huge lottery prize. Refusing to indulge in material things, she hides her wealth to observe the warmth and coldness of human relationships. Sticking to her original intention of kindness, she anonymously helps ordinary people in plight, devotes herself to public welfare and charity, and assists the growth of female groups. Confronting the plight of heavy son preference in her family of origin, she sticks to her principles and bottom line, starts a business with practical work to give back to society, and conveys positive values of independence and self-reliance.