Shen Mu, a construction cost auditor, uses his professional judgment to uncover geological hazards hidden behind his hometown's land expropriation project. He decisively signs the agreement and moves to the city with his parents, enduring the villagers' misunderstanding and ridicule. Later, a highway route change proves him right. When the local liaison, Wang Defa, conspires with others to fabricate documents and fraudulently obtain compensation, Shen Mu stays true to his principles, gathers complete evidence, and submits the information through the proper channels. In the end, he exposes the scam and upholds justice and the dignity of the law.