明朝(cháo )成化年间(jiān )，朝纲腐败(bài )，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接(jiē )连铲除东(dōng )厂数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂