明朝成化年间，朝纲腐败，奸邪当道(dào )。西厂(chǎng )东(dōng )厂为宦(huàn )官(guān )把持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身(shēn )而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆(dǎn )战(zhàn )心惊。适值此时(shí )，风头正(zhèng )劲的西厂