明(míng )朝(cháo )成(chéng )化(huà )年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持(chí )，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名(míng )奸(jiān )佞，致令阉贼胆(dǎn )战心惊。适值此(cǐ )时，风头正劲的西厂