明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道(dào )。西厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时(shí )有(yǒu )赵(zhào )怀安(ān )（李(lǐ )连杰 饰）等流亡(wáng )剑客挺身而(ér )出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值(zhí )此时，风头正劲的(de )西厂