明朝(cháo )成(chéng )化年间(jiān )，朝纲(gāng )腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝(cháo )野内外噤(jìn )若寒(hán )蝉。时(shí )有赵怀安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数(shù )名奸佞，致令阉贼胆(dǎn )战心惊。适(shì )值此时，风头正劲的西厂(chǎng )