Zhang Dashan and his wife get millions from demolition. To test their children, they pretend to be sick and poor. Their birth kids shut them out on a rainy night, while adopted daughter Zhang Ying takes good care of them. The old couple give all their fortune to Zhang Ying. The birth children try to beg for money and slander her. Zhang Ying shows evidence to prove her innocence. Ashamed, they repent. The parents forgive them. The whole family runs business together and devotes part of the wealth to charity.
