明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为(wéi )宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵怀安(ān )（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出，接(jiē )连铲除(chú )东厂数(shù )名(míng )奸佞，致令阉贼胆战心惊(jīng )。适值此(cǐ )时，风头正劲的西厂