明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时(shí )有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞(nìng )，致(zhì )令阉贼胆(dǎn )战心惊(jīng )。适值此(cǐ )时，风头正劲的西厂