明朝成化年(nián )间，朝纲腐败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑白，陷害忠良(liáng )，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流(liú )亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊(jīng )。适值此(cǐ )时(shí )，风头正劲的西厂