明(míng )朝成(chéng )化年间，朝(cháo )纲腐败，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(wài )噤若寒(hán )蝉。时有赵怀安(ān )（李连杰(jié ) 饰）等流亡剑(jiàn )客挺身而出，接连铲除东厂(chǎng )数名奸佞，致(zhì )令阉(yān )贼胆战心惊(jīng )。适值此时，风头正劲的西厂