明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝(cháo )野内外(wài )噤若寒蝉。时(shí )有赵怀安（李连杰 饰）等(děng )流亡剑客(kè )挺(tǐng )身而(ér )出，接连铲除东厂数(shù )名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的西(xī )厂