明朝成(chéng )化年间，朝纲腐败(bài )，奸邪当道。西厂东厂(chǎng )为宦官把持，混淆黑白(bái )，陷害忠(zhōng )良，朝野内外(wài )噤若(ruò )寒蝉(chán )。时有赵怀安(ān )（李连杰 饰）等流亡剑客挺身而出，接连铲除东(dōng )厂数(shù )名奸佞，致令(lìng )阉贼胆(dǎn )战心惊(jīng )。适值此时，风头正劲的西厂