明朝成(chéng )化年间，朝纲腐败，奸邪当道。西厂东厂为宦官把持，混淆黑白(bái )，陷(xiàn )害(hài )忠(zhōng )良，朝野内(nèi )外噤若寒蝉。时有赵怀(huái )安（李连杰(jié ) 饰）等(děng )流(liú )亡剑客挺身而出，接连铲除东(dōng )厂数名奸佞，致(zhì )令阉贼胆战(zhàn )心(xīn )惊。适值此时，风头正劲的西厂