明朝成化年间，朝纲(gāng )腐败(bài )，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持(chí )，混淆黑(hēi )白(bái )，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰 饰）等流亡剑客挺身(shēn )而出，接连铲除(chú )东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西厂