明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂为宦官把持，混淆(xiáo )黑(hēi )白，陷害忠良，朝(cháo )野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出(chū )，接连铲除(chú )东厂数名奸佞，致(zhì )令阉贼胆(dǎn )战心惊。适值(zhí )此(cǐ )时，风头正劲的西厂