The entire village's grain rations are at stake. Agricultural machinery expert Liang Tiehu uses his own money to repair vehicles, only to be heavily penalized by the corrupt village head Ma Fugui and his nephew under the pretext of "violating the rules"! Facing the inferior parts forced upon them by the uncle and nephew for kickbacks, Tiehu strikes back fiercely, pulling off an extreme "working strictly by the book": You dare issue the order, I dare operate! Ultimately, the inferior parts cause the harvester to completely break down, thoroughly exposing the true faces of the corrupt duo and winning them a well-deserved prison sentence! In the moment of crisis, Tiehu steps up, leading the villagers in a passionate rush-harvest to save the crop and founding a brand new cooperative that truly benefits the people! Watch how a tough machinist cleans up corruption, fiercely punishes bullies, and staunchly protects farming!