明(míng )朝(cháo )成(chéng )化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝(cháo )野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等流亡剑(jiàn )客挺身而出，接连铲除东(dōng )厂(chǎng )数(shù )名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风(fēng )头正劲(jìn )的西厂(chǎng )