Retired teacher Lin Xiufen remarries, but her husband, Zhou Guoqiang, and his daughter Zhou Xue's family constantly take advantage of her. When her son sends her hairy crabs and a jade bangle, Zhou Xue immediately claims them for herself. Lin Xiufen contacts her son, Su Yuan, who reveals his true identity and presents evidence that forces Zhou Guoqiang to leave the marriage with nothing. Zhou Guoqiang forges an IOU, only to be punished for his actions. Lin Xiufen moves into a luxurious villa and enjoys a peaceful retirement.