A disabled couple makes a living by collecting scrap, living in poverty and hardship. One day on their way collecting scrap, they find an abandoned baby. Being kind-hearted and ignoring the dissuasion of others, the couple grit their teeth and keep the child to raise. Over the years, the couple live frugally to support the child's education. The boy is very sensible and promising, studying hard to get into university. He always remembers his adoptive parents' half-life dedication, firmly guarding his two ordinary yet great parents.