Li Wei, a young woman who moved to Beijing to pursue her dreams, unexpectedly wins the lottery but faces a test of family ties and money. Her mother's and relatives' excessive interference pushes her into a difficult situation, but she stands her ground and uses the law and her wisdom to defend her boundaries. In the end, the family reconciles, her younger brother becomes independent, and Li Wei fulfills her dream of becoming a photographer. She proves that love and principles can coexist, and that independence does not contradict family affection. Every girl who works hard to live her life can become her own guiding light.