相貌酷似王宝强的贾东晓（黄晋琨 饰），有着同“许三多”一样的执着与憨傻。他渴望在大都市实现自己的梦想，同时也在忍受着群租、没钱吃饭、被隔壁做爱声骚扰的痛苦煎熬。
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。
