明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑(hēi )白(bái )，陷(xiàn )害(hài )忠良，朝(cháo )野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流(liú )亡剑(jiàn )客挺(tǐng )身而出，接连铲除(chú )东(dōng )厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此时，风头正劲的西厂(chǎng )