明朝成化(huà )年间，朝纲(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，朝野内外噤若寒蝉。时(shí )有赵怀安（李连杰 饰(shì )）等(děng )流亡剑客挺身而出，接连铲(chǎn )除东(dōng )厂数名奸佞，致令阉(yān )贼胆战(zhàn )心惊。适值此时，风头(tóu )正(zhèng )劲的西厂