明朝成化年间，朝(cháo )纲腐败，奸(jiān )邪当道。西厂(chǎng )东厂为宦官把(bǎ )持，混淆黑白，陷害忠良，朝野内外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等流(liú )亡剑(jiàn )客(kè )挺身而出(chū )，接连铲除(chú )东厂数名奸(jiān )佞，致令阉贼胆战(zhàn )心惊(jīng )。适值此时，风头正劲的西厂