明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官(guān )把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒(hán )蝉。时有赵怀安（李(lǐ )连杰 饰(shì )）等流(liú )亡剑客挺(tǐng )身而出，接连铲除东厂数名奸(jiān )佞，致令阉贼胆(dǎn )战(zhàn )心惊。适(shì )值此时(shí )，风头正劲的西厂