After going through untold hardships and learning true skills abroad, Shen Zhao returns to her home country full of joy, eager to reunite with her elder sister and niece, only to be met with the devastating news of her sister's passing. Her eight-year-old niece, Su Xixi, left all alone and helpless, is entrusted into Shen Zhao's hands. Facing the villains who harmed her sister, Shen Zhao firmly holds her bottom line, relying on wisdom and the rule of law to uphold justice and protect her niece's growth. Afterwards, she opens a shop to help ordinary people defend their rights, solving problems and relieving difficulties for the common folk at the bottom of society. With Xixi's innocent and warm companionship, the two heal one another, joining hands to break through layers of adversity and jointly build their own warm little home.