明朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂东(dōng )厂(chǎng )为宦官把持，混淆黑(hēi )白(bái )，陷(xiàn )害忠良(liáng )，朝野内外(wài )噤若寒蝉(chán )。时(shí )有赵怀(huái )安（李连杰 饰）等流亡剑客挺身而出，接连铲除东厂数名奸佞，致(zhì )令阉贼胆战心惊。适值此时，风头正劲的西厂