明朝成化年间，朝纲(gāng )腐败，奸邪(xié )当(dāng )道。西厂(chǎng )东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠良(liáng )，朝(cháo )野内外噤若寒蝉。时有(yǒu )赵怀安（李连杰(jié ) 饰）等流亡剑客挺身(shēn )而出，接连铲除东厂数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值此时，风头正劲的西厂(chǎng )