明朝成化年间，朝纲腐(fǔ )败(bài )，奸邪当道(dào )。西厂(chǎng )东厂为宦(huàn )官把持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒蝉。时(shí )有赵怀安（李(lǐ )连杰 饰）等流亡剑(jiàn )客挺身而(ér )出，接连(lián )铲除东厂(chǎng )数名奸佞，致令阉(yān )贼(zéi )胆战心惊。适值此(cǐ )时，风头正劲的西厂