明朝成化年间，朝纲腐败(bài )，奸(jiān )邪当道。西厂东厂为宦官把持，混(hún )淆(xiáo )黑白，陷(xiàn )害忠(zhōng )良，朝野内外噤若(ruò )寒蝉。时有(yǒu )赵怀安(ān )（李连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆战心惊。适值此时，风头正劲(jìn )的西厂(chǎng )