明朝成(chéng )化年间，朝纲腐败，奸(jiān )邪当道。西厂东(dōng )厂为宦官把持，混淆黑白，陷害忠良，朝野内外(wài )噤若寒蝉。时有(yǒu )赵怀(huái )安（李连杰 饰）等流亡(wáng )剑客(kè )挺身而出(chū )，接连铲除东(dōng )厂数名(míng )奸佞，致令阉贼(zéi )胆战(zhàn )心惊。适(shì )值此时，风头正劲的西厂