明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂(chǎng )东厂为宦官把持，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(lǐ )连杰(jié ) 饰）等流亡剑客(kè )挺身(shēn )而出，接连铲除东(dōng )厂(chǎng )数名奸佞，致令阉贼胆战心惊。适值此(cǐ )时，风(fēng )头正劲(jìn )的西厂