明朝成(chéng )化(huà )年间，朝纲腐败，奸邪当道。西厂东(dōng )厂为宦官(guān )把持，混淆黑白，陷(xiàn )害忠(zhōng )良，朝野内外噤若寒蝉。时有赵(zhào )怀安（李连杰 饰）等(děng )流(liú )亡剑客挺(tǐng )身而(ér )出，接连铲除东厂数(shù )名奸佞，致令阉贼胆战(zhàn )心惊。适值此时，风头正劲的西厂