明朝成化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白，陷害(hài )忠良，朝野内外噤若寒蝉。时有赵怀(huái )安（李连杰 饰）等(děng )流(liú )亡剑客挺(tǐng )身而出(chū )，接连铲除东厂(chǎng )数名奸佞，致(zhì )令阉贼胆(dǎn )战心惊(jīng )。适值此时(shí )，风头正劲的西厂