明朝成化年(nián )间，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷(xiàn )害(hài )忠(zhōng )良，朝野内外噤若寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客(kè )挺(tǐng )身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值此时，风头正劲的西厂(chǎng )