明朝成(chéng )化年间(jiān )，朝纲(gāng )腐败，奸邪当道(dào )。西厂东(dōng )厂为宦官(guān )把持，混淆(xiáo )黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉贼胆战心(xīn )惊。适值此时，风头(tóu )正劲(jìn )的西厂