明朝成化年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷(xiàn )害忠良，朝野内外噤若寒(hán )蝉。时有赵(zhào )怀安(ān )（李(lǐ )连杰 饰）等流亡剑(jiàn )客(kè )挺身而出，接连铲(chǎn )除东厂数名奸佞，致令阉贼胆战心惊。适(shì )值此时，风头正劲的西厂