本片由袁浩泉導演、倪匡編劇，何中衡（白彪）、秦英豪（李修賢）及羅正（孫建）乃三個初出茅廬的捕快，由縣辦之捕快訓練班出來後，秉除暴安良，維護法紀之宗旨，盡力撲滅罪行，縣中賭館妓院，均遭掃蕩。三人雖盡見縣官與捕頭目無王法以及貪財害命的暴行，卻因堅拒同流合污，而慘被陷害。究竟，正義能否戰勝強權？

After the corrupt former Mayor is killed by the peasants, poor janitor Juan Vargas is appointed new Mayor of a desert town in central Mexico. Although he tries to bring the motto of the ruling party to town (modernity, peace and progress) he realizes soon that there's nothing to do against corruption... except to become corrupt. Step by step, helped by his pistol, Juan Vargas becomes the law and the worst Major in the town's history. 　　 　　故事讲述墨西哥农民杀死腐败的前市长后，不幸的看门人阿瓦尔加斯在墨西哥中部被任命为一个沙漠镇的新市长，他努力提倡执政党的新意识，到任不久就立下反对腐败的座右铭，但反对也开始变得腐败，一步步在他的枪手帮助下，阿瓦尔加斯成为法郎和镇上历史最恶劣的一页。

After the corrupt former Mayor is killed by the peasants, poor janitor Juan Vargas is appointed new Mayor of a desert town in central Mexico. Although he tries to bring the motto of the ruling party to town (modernity, peace and progress) he realizes soon that there's nothing to do against corruption... except to become corrupt. Step by step, helped by his pistol, Juan Vargas becomes the law and the worst Major in the town's history. 　　 　　故事讲述墨西哥农民杀死腐败的前市长后，不幸的看门人阿瓦尔加斯在墨西哥中部被任命为一个沙漠镇的新市长，他努力提倡执政党的新意识，到任不久就立下反对腐败的座右铭，但反对也开始变得腐败，一步步在他的枪手帮助下，阿瓦尔加斯成为法郎和镇上历史最恶劣的一页。

男主戏谑楚家，男主为逃避相亲借口到南山分公司处理分公司高管亏空公款一事，与女主签约结婚后产生的爱情