明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂(chǎng )东厂为(wéi )宦官(guān )把(bǎ )持，混淆(xiáo )黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑客(kè )挺身而(ér )出，接连铲除(chú )东厂数名奸佞，致令阉(yān )贼胆战心惊。适值此时，风头正(zhèng )劲的西厂