明朝成化年间，朝纲腐(fǔ )败，奸邪当(dāng )道。西厂东厂为宦官把(bǎ )持，混淆黑白，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出，接连铲除东厂(chǎng )数名奸佞，致令(lìng )阉贼(zéi )胆战(zhàn )心惊。适值此时，风头正劲(jìn )的西厂