明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东(dōng )厂为宦官把持，混(hún )淆黑白，陷害忠良，朝野内外噤若(ruò )寒蝉。时有赵怀(huái )安（李连杰(jié ) 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆(dǎn )战心惊。适值此(cǐ )时，风头(tóu )正劲(jìn )的西(xī )厂