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.　　　　故事申报朱西哥农人杀死靡烂的前市少后，可怜的看门人阿瓦我减斯正在朱西哥中部被任命为一个沙漠镇的新市少，他勤奋尾倡执政党的新意识，就任没有暂便座下阻挡靡烂的座左铭，但阻挡也开初变得靡烂，一步步正在他的枪足资助下，阿瓦我减斯成为法郎战镇上历史最拙劣的一页。