明朝成化年间，朝纲(gāng )腐败，奸邪当道。西厂(chǎng )东厂为宦官(guān )把持，混淆(xiáo )黑(hēi )白，陷害(hài )忠良，朝野(yě )内外噤若寒蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊。适值此(cǐ )时，风头正劲的西厂