明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混(hún )淆黑(hēi )白，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵怀安(ān )（李(lǐ )连杰(jié ) 饰）等流亡(wáng )剑(jiàn )客(kè )挺(tǐng )身而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂