明朝成化年间(jiān )，朝纲(gāng )腐败，奸邪当(dāng )道(dào )。西厂东厂为宦官把持，混淆黑白，陷害(hài )忠(zhōng )良，朝野内外(wài )噤若寒蝉。时有赵怀安（李连杰 饰）等(děng )流亡剑客挺身而(ér )出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值(zhí )此时，风头(tóu )正(zhèng )劲(jìn )的西厂