明朝成化年(nián )间，朝纲腐败(bài )，奸邪当道。西厂(chǎng )东厂为宦官(guān )把(bǎ )持，混淆黑白，陷害忠良，朝(cháo )野内外(wài )噤(jìn )若寒蝉。时有(yǒu )赵怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂(chǎng )数(shù )名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂