明朝成化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷(xiàn )害忠良，朝野内(nèi )外噤若寒蝉。时有赵怀安（李(lǐ )连杰 饰）等(děng )流亡剑(jiàn )客(kè )挺身而出，接连铲除东厂(chǎng )数名奸佞，致令阉贼胆战(zhàn )心惊。适(shì )值(zhí )此时(shí )，风头正(zhèng )劲的西(xī )厂