Lin Xiufen, a retired teacher who has remarried, is betrayed by her second husband, Zhou Guoqiang. While she is out buying soy sauce, Zhou Guoqiang calls over his daughter and her family. Together, they devour all 36 premium hairy crabs worth 80,000 yuan that her son, Su Yuan, sent her. They even take her jadeite bracelet worth two million yuan. Lin Xiufen doesn't expose them on the spot. Instead, she waits for her son to return and then lays out surveillance footage and account books at a family dinner, exposing everything in front of everyone. Chen Zhiming, Zhou Xue's husband, is horrified to realize that the crabs he bought as gifts to build connections were the very ones he had eaten. In the end, Lin Xiufen and Zhou Guoqiang divorce, Zhou Guoqiang moves out, and Chen Zhiming takes concrete steps to reform his company. Lin Xiufen stands firm in protecting her personal boundaries and enjoys her life with dignity and peace of mind.