明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安(ān )（李连杰 饰）等流亡剑客(kè )挺身而(ér )出，接连铲(chǎn )除东厂(chǎng )数名奸佞，致(zhì )令阉(yān )贼胆战心惊。适值此时，风头(tóu )正劲的西厂(chǎng )