Wen Shuyao and Wen Youning become homeless overnight due to the passing of the director who raised them. By a twist of fate, the two sisters move into Lin An's home. Knowing well that life is not easy, the sisters refuse to accept hand-outs and rely on their own efforts to earn rent. Under the eaves, hardships and warmth intertwine. They protect each other, study hard, and strive tenaciously, enduring numerous hardships, healing their pain in each other's company, and ushering in a bright future belonging to them through their own strength.