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，混淆(xiáo )黑白，陷(xiàn )害(hài )忠良，朝野(yě )内外噤(jìn )若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数(shù )名奸佞，致(zhì )令阉贼胆战心惊。适值此(cǐ )时，风头正(zhèng )劲的西(xī )厂