明朝成化年间，朝(cháo )纲腐败，奸邪当(dāng )道。西厂东厂为宦(huàn )官把持，混淆黑白，陷害忠良，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(shēn )而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此时，风头(tóu )正劲的西厂