明朝成化年间，朝纲(gāng )腐(fǔ )败，奸邪(xié )当道。西(xī )厂(chǎng )东(dōng )厂为宦官把持，混淆(xiáo )黑(hēi )白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有(yǒu )赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风头正劲(jìn )的西厂