Twenty years ago, unmarried mother Lin Wan'er was left with no way out and entrusted her infant daughter to young Liu Dazhu. Liu Dazhu never married throughout his life, working as a laborer for twenty years to raise his adoptive daughter Yaoyao. Years later, Lin Wan'er, now worth over 100 million, tracked down her daughter. Coupled with Liu Dazhu saving her father on a rainy night, the threefold grace filled her heart with guilt. Yaoyao resolved her estrangement and recognized her birth mother, and Lin Wan'er determined to compensate the father and daughter. The two finally married on a spring day, and two acts of kindness spanning twenty years were finally fulfilled.