明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪(xié )当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤(jìn )若(ruò )寒蝉。时有赵怀安（李(lǐ )连杰 饰）等(děng )流亡剑客挺身而出，接连铲(chǎn )除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此(cǐ )时，风头正劲(jìn )的西(xī )厂(chǎng )