明朝成化年间(jiān )，朝纲腐败，奸(jiān )邪当道(dào )。西厂东厂(chǎng )为宦官把持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒(hán )蝉。时有赵怀安（李连杰(jié ) 饰）等流亡剑客挺身(shēn )而出，接连铲除东(dōng )厂数名奸(jiān )佞，致令阉(yān )贼胆战心惊。适值此时，风(fēng )头正劲的西厂(chǎng )