明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西(xī )厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若(ruò )寒蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑客挺身(shēn )而(ér )出，接连(lián )铲除东厂(chǎng )数名奸佞，致令阉(yān )贼胆(dǎn )战心惊。适值此时，风头正劲的西厂