明朝成(chéng )化年间(jiān )，朝(cháo )纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出(chū )，接连铲除东(dōng )厂数名奸佞，致令阉贼胆战心(xīn )惊(jīng )。适值此时，风头正劲的西厂