明朝成(chéng )化年间，朝(cháo )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，朝野内(nèi )外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰(shì )）等流亡(wáng )剑客挺身而出，接(jiē )连铲除东厂(chǎng )数名奸佞，致令阉贼胆战心(xīn )惊。适值此(cǐ )时，风头正劲的西厂