明朝成化(huà )年间，朝(cháo )纲(gāng )腐败，奸邪当道。西厂东(dōng )厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤(jìn )若寒蝉。时有赵怀(huái )安（李(lǐ )连杰 饰）等流亡剑客挺(tǐng )身而出(chū )，接连铲除东厂数名奸佞，致令阉贼(zéi )胆战心(xīn )惊。适值此时，风头正劲的(de )西厂(chǎng )