明朝成化年间，朝纲腐败，奸邪(xié )当道。西厂东(dōng )厂为(wéi )宦官把(bǎ )持，混淆黑白(bái )，陷害(hài )忠良，朝野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等流亡剑客挺(tǐng )身而出，接(jiē )连铲除东(dōng )厂数名奸佞，致令(lìng )阉贼胆战心惊。适值此时，风头正劲的西厂