明朝成化年间，朝纲腐(fǔ )败，奸邪(xié )当道(dào )。西厂东厂为宦官把(bǎ )持，混(hún )淆黑白(bái )，陷(xiàn )害(hài )忠良，朝野(yě )内外噤若寒蝉。时有赵(zhào )怀安（李连杰(jié ) 饰）等流(liú )亡剑客挺身而出，接连铲除东厂数名奸佞，致令阉贼胆(dǎn )战心惊。适值此时，风头正劲的西厂(chǎng )