明朝成化年间，朝纲腐(fǔ )败，奸(jiān )邪当道(dào )。西厂(chǎng )东厂为宦官把(bǎ )持，混淆黑白(bái )，陷害忠良，朝野内外(wài )噤若寒蝉。时有(yǒu )赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头(tóu )正劲的西厂