明朝(cháo )成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东厂(chǎng )为(wéi )宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑(jiàn )客挺身而(ér )出，接连铲除东厂数名奸佞(nìng )，致(zhì )令阉(yān )贼胆战心惊。适值此时，风头正(zhèng )劲的西厂(chǎng )