明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时(shí )有赵(zhào )怀(huái )安（李连杰(jié ) 饰）等流亡(wáng )剑客(kè )挺身而出，接连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西(xī )厂(chǎng )