明朝成化年间，朝纲(gāng )腐败，奸邪当(dāng )道。西厂东厂为(wéi )宦官把(bǎ )持，混淆黑白，陷害忠(zhōng )良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰(shì )）等流亡剑客挺身而出(chū )，接连铲除东(dōng )厂数名(míng )奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正(zhèng )劲(jìn )的西厂