When her husband, Zhou Qingshan, is brutally murdered by Zhao Biao, the Zhao family forges a debt note in an attempt to seize the Zhou family's five mu of fertile farmland. The widowed Shen Qiuhe sells her breeding sow to buy ten puppies and painstakingly trains them. With the dogs protecting her home and gathering evidence, she submits a formal petition to the authorities. The Zhao family resorts to colluding with bandits and committing further violence, but Shen Qiuhe joins forces with her hunting dogs and government officers to capture the criminals. In the end, the murderer is brought to justice, the farmland is returned to the Zhou family, and the injustice is finally avenged.