明朝成化年间，朝纲(gāng )腐败，奸邪当道。西(xī )厂东厂为宦官把持，混淆(xiáo )黑白，陷害忠良，朝野内外(wài )噤若(ruò )寒蝉。时有赵怀安（李连杰 饰）等流亡剑客挺(tǐng )身而出(chū )，接连铲(chǎn )除东(dōng )厂数(shù )名奸(jiān )佞，致(zhì )令阉贼胆(dǎn )战(zhàn )心惊。适值此时，风头正劲的西厂