明朝成化年间，朝纲腐败(bài )，奸邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害忠良，朝野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身而(ér )出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适(shì )值此(cǐ )时(shí )，风头正劲的西厂(chǎng )