明朝成化年间，朝(cháo )纲腐(fǔ )败，奸邪当道。西(xī )厂(chǎng )东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有(yǒu )赵怀(huái )安（李连(lián )杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东厂数名奸(jiān )佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此(cǐ )时(shí )，风头正劲的西厂(chǎng )