明朝成化年间，朝纲腐败，奸邪当(dāng )道。西厂东(dōng )厂为宦官把持，混淆黑白，陷(xiàn )害(hài )忠(zhōng )良，朝野(yě )内外噤若寒蝉。时有赵怀安（李连(lián )杰 饰）等流亡(wáng )剑客挺身(shēn )而出，接连铲除东厂(chǎng )数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值此时，风头正(zhèng )劲的西厂