明(míng )朝成化年间，朝纲腐(fǔ )败，奸邪当道。西厂(chǎng )东厂为宦官把持，混淆黑白，陷害忠良，朝野内外噤若寒(hán )蝉(chán )。时有赵怀(huái )安（李(lǐ )连杰 饰）等流(liú )亡剑客挺(tǐng )身(shēn )而出，接连铲除东厂数名奸佞，致令阉贼胆战心惊(jīng )。适值(zhí )此时，风头正劲(jìn )的西(xī )厂