In the 1980s and 1990s, the orphaned siblings Chen Xing and Chen Yang were mistreated and bullied by their aunt and uncle. Aquatic product vendor Qin Guilan felt empathy, stepped in to save the critically ill younger brother, and took in and supported the two siblings. Relying on each other, the siblings studied diligently, and ultimately the sister became the top science student of the province and entered Tsinghua University, while the younger brother fulfilled his dream at Peking University, defying the odds to rewrite their destiny.